66552040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 155934720

約数和(自身を除く): 89382680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 191, 248, 281, 310, 382, 562, 620, 764, 955, 1124, 1240, 1405, 1528, 1910, 2248, 2810, 3820, 5620, 5921, 7640, 8711, 11240, 11842, 17422, 23684, 29605, 34844, 43555, 47368, 53671, 59210, 69688, 87110, 107342, 118420, 174220, 214684, 236840, 268355, 348440, 429368, 536710, 1073420, 1663801, 2146840, 3327602, 6655204, 8319005, 13310408, 16638010, 33276020, 66552040]

約数ペア:

[(1, 66552040), (2, 33276020), (4, 16638010), (5, 13310408), (8, 8319005), (10, 6655204), (20, 3327602), (31, 2146840), (40, 1663801), (62, 1073420), (124, 536710), (155, 429368), (191, 348440), (248, 268355), (281, 236840), (310, 214684), (382, 174220), (562, 118420), (620, 107342), (764, 87110), (955, 69688), (1124, 59210), (1240, 53671), (1405, 47368), (1528, 43555), (1910, 34844), (2248, 29605), (2810, 23684), (3820, 17422), (5620, 11842), (5921, 11240), (7640, 8711)]