26810660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 58931712

約数和(自身を除く): 32121052

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 521, 620, 830, 1042, 1660, 2084, 2573, 2605, 5146, 5210, 10292, 10420, 12865, 16151, 25730, 32302, 43243, 51460, 64604, 80755, 86486, 161510, 172972, 216215, 323020, 432430, 864860, 1340533, 2681066, 5362132, 6702665, 13405330, 26810660]

約数ペア:

[(1, 26810660), (2, 13405330), (4, 6702665), (5, 5362132), (10, 2681066), (20, 1340533), (31, 864860), (62, 432430), (83, 323020), (124, 216215), (155, 172972), (166, 161510), (310, 86486), (332, 80755), (415, 64604), (521, 51460), (620, 43243), (830, 32302), (1042, 25730), (1660, 16151), (2084, 12865), (2573, 10420), (2605, 10292), (5146, 5210)]