6438640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 16623936

約数和(自身を除く): 10185296

約数列:

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

約数ペア:

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