66408040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1481}}^1$

素因数の和:1570

約数の個数: 64

約数和(自身を含む): 160056000

約数和(自身を除く): 93647960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 380, 472, 590, 760, 1121, 1180, 1481, 2242, 2360, 2962, 4484, 5605, 5924, 7405, 8968, 11210, 11848, 14810, 22420, 28139, 29620, 44840, 56278, 59240, 87379, 112556, 140695, 174758, 225112, 281390, 349516, 436895, 562780, 699032, 873790, 1125560, 1660201, 1747580, 3320402, 3495160, 6640804, 8301005, 13281608, 16602010, 33204020, 66408040]

約数ペア:

[(1, 66408040), (2, 33204020), (4, 16602010), (5, 13281608), (8, 8301005), (10, 6640804), (19, 3495160), (20, 3320402), (38, 1747580), (40, 1660201), (59, 1125560), (76, 873790), (95, 699032), (118, 562780), (152, 436895), (190, 349516), (236, 281390), (295, 225112), (380, 174758), (472, 140695), (590, 112556), (760, 87379), (1121, 59240), (1180, 56278), (1481, 44840), (2242, 29620), (2360, 28139), (2962, 22420), (4484, 14810), (5605, 11848), (5924, 11210), (7405, 8968)]