66589240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 90174920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 620, 647, 664, 830, 1240, 1294, 1660, 2573, 2588, 3235, 3320, 5146, 5176, 6470, 10292, 12865, 12940, 20057, 20584, 25730, 25880, 40114, 51460, 53701, 80228, 100285, 102920, 107402, 160456, 200570, 214804, 268505, 401140, 429608, 537010, 802280, 1074020, 1664731, 2148040, 3329462, 6658924, 8323655, 13317848, 16647310, 33294620, 66589240]

約数ペア:

[(1, 66589240), (2, 33294620), (4, 16647310), (5, 13317848), (8, 8323655), (10, 6658924), (20, 3329462), (31, 2148040), (40, 1664731), (62, 1074020), (83, 802280), (124, 537010), (155, 429608), (166, 401140), (248, 268505), (310, 214804), (332, 200570), (415, 160456), (620, 107402), (647, 102920), (664, 100285), (830, 80228), (1240, 53701), (1294, 51460), (1660, 40114), (2573, 25880), (2588, 25730), (3235, 20584), (3320, 20057), (5146, 12940), (5176, 12865), (6470, 10292)]