64386400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 174551328

約数和(自身を除く): 110164928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 41, 50, 52, 65, 80, 82, 100, 104, 130, 151, 160, 164, 200, 205, 208, 260, 302, 325, 328, 400, 410, 416, 520, 533, 604, 650, 656, 755, 800, 820, 1025, 1040, 1066, 1208, 1300, 1312, 1510, 1640, 1963, 2050, 2080, 2132, 2416, 2600, 2665, 3020, 3280, 3775, 3926, 4100, 4264, 4832, 5200, 5330, 6040, 6191, 6560, 7550, 7852, 8200, 8528, 9815, 10400, 10660, 12080, 12382, 13325, 15100, 15704, 16400, 17056, 19630, 21320, 24160, 24764, 26650, 30200, 30955, 31408, 32800, 39260, 42640, 49075, 49528, 53300, 60400, 61910, 62816, 78520, 80483, 85280, 98150, 99056, 106600, 120800, 123820, 154775, 157040, 160966, 196300, 198112, 213200, 247640, 309550, 314080, 321932, 392600, 402415, 426400, 495280, 619100, 643864, 785200, 804830, 990560, 1238200, 1287728, 1570400, 1609660, 2012075, 2476400, 2575456, 3219320, 4024150, 4952800, 6438640, 8048300, 12877280, 16096600, 32193200, 64386400]

約数ペア:

[(1, 64386400), (2, 32193200), (4, 16096600), (5, 12877280), (8, 8048300), (10, 6438640), (13, 4952800), (16, 4024150), (20, 3219320), (25, 2575456), (26, 2476400), (32, 2012075), (40, 1609660), (41, 1570400), (50, 1287728), (52, 1238200), (65, 990560), (80, 804830), (82, 785200), (100, 643864), (104, 619100), (130, 495280), (151, 426400), (160, 402415), (164, 392600), (200, 321932), (205, 314080), (208, 309550), (260, 247640), (302, 213200), (325, 198112), (328, 196300), (400, 160966), (410, 157040), (416, 154775), (520, 123820), (533, 120800), (604, 106600), (650, 99056), (656, 98150), (755, 85280), (800, 80483), (820, 78520), (1025, 62816), (1040, 61910), (1066, 60400), (1208, 53300), (1300, 49528), (1312, 49075), (1510, 42640), (1640, 39260), (1963, 32800), (2050, 31408), (2080, 30955), (2132, 30200), (2416, 26650), (2600, 24764), (2665, 24160), (3020, 21320), (3280, 19630), (3775, 17056), (3926, 16400), (4100, 15704), (4264, 15100), (4832, 13325), (5200, 12382), (5330, 12080), (6040, 10660), (6191, 10400), (6560, 9815), (7550, 8528), (7852, 8200)]