12877280

素因数分解:

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

素因数の和:220

約数の個数: 96

約数和(自身を含む): 33784128

約数和(自身を除く): 20906848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 65, 80, 82, 104, 130, 151, 160, 164, 205, 208, 260, 302, 328, 410, 416, 520, 533, 604, 656, 755, 820, 1040, 1066, 1208, 1312, 1510, 1640, 1963, 2080, 2132, 2416, 2665, 3020, 3280, 3926, 4264, 4832, 5330, 6040, 6191, 6560, 7852, 8528, 9815, 10660, 12080, 12382, 15704, 17056, 19630, 21320, 24160, 24764, 30955, 31408, 39260, 42640, 49528, 61910, 62816, 78520, 80483, 85280, 99056, 123820, 157040, 160966, 198112, 247640, 314080, 321932, 402415, 495280, 643864, 804830, 990560, 1287728, 1609660, 2575456, 3219320, 6438640, 12877280]

約数ペア:

[(1, 12877280), (2, 6438640), (4, 3219320), (5, 2575456), (8, 1609660), (10, 1287728), (13, 990560), (16, 804830), (20, 643864), (26, 495280), (32, 402415), (40, 321932), (41, 314080), (52, 247640), (65, 198112), (80, 160966), (82, 157040), (104, 123820), (130, 99056), (151, 85280), (160, 80483), (164, 78520), (205, 62816), (208, 61910), (260, 49528), (302, 42640), (328, 39260), (410, 31408), (416, 30955), (520, 24764), (533, 24160), (604, 21320), (656, 19630), (755, 17056), (820, 15704), (1040, 12382), (1066, 12080), (1208, 10660), (1312, 9815), (1510, 8528), (1640, 7852), (1963, 6560), (2080, 6191), (2132, 6040), (2416, 5330), (2665, 4832), (3020, 4264), (3280, 3926)]