80421640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5333}}^1$

素因数の和:5386

約数の個数: 64

約数和(自身を含む): 201625200

約数和(自身を除く): 121203560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 3016, 3770, 5333, 7540, 10666, 15080, 21332, 26665, 42664, 53330, 69329, 106660, 138658, 154657, 213320, 277316, 309314, 346645, 554632, 618628, 693290, 773285, 1237256, 1386580, 1546570, 2010541, 2773160, 3093140, 4021082, 6186280, 8042164, 10052705, 16084328, 20105410, 40210820, 80421640]

約数ペア:

[(1, 80421640), (2, 40210820), (4, 20105410), (5, 16084328), (8, 10052705), (10, 8042164), (13, 6186280), (20, 4021082), (26, 3093140), (29, 2773160), (40, 2010541), (52, 1546570), (58, 1386580), (65, 1237256), (104, 773285), (116, 693290), (130, 618628), (145, 554632), (232, 346645), (260, 309314), (290, 277316), (377, 213320), (520, 154657), (580, 138658), (754, 106660), (1160, 69329), (1508, 53330), (1885, 42664), (3016, 26665), (3770, 21332), (5333, 15080), (7540, 10666)]