16565534540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{56813}}^1$

素因数の和:57122

約数の個数: 48

約数和(自身を含む): 35506477440

約数和(自身を除く): 18940942900

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 239, 244, 305, 478, 610, 956, 1195, 1220, 2390, 4780, 14579, 29158, 56813, 58316, 72895, 113626, 145790, 227252, 284065, 291580, 568130, 1136260, 3465593, 6931186, 13578307, 13862372, 17327965, 27156614, 34655930, 54313228, 67891535, 69311860, 135783070, 271566140, 828276727, 1656553454, 3313106908, 4141383635, 8282767270, 16565534540]

約数ペア:

[(1, 16565534540), (2, 8282767270), (4, 4141383635), (5, 3313106908), (10, 1656553454), (20, 828276727), (61, 271566140), (122, 135783070), (239, 69311860), (244, 67891535), (305, 54313228), (478, 34655930), (610, 27156614), (956, 17327965), (1195, 13862372), (1220, 13578307), (2390, 6931186), (4780, 3465593), (14579, 1136260), (29158, 568130), (56813, 291580), (58316, 284065), (72895, 227252), (113626, 145790)]