166564550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2621}}^1$

素因数の和:2705

約数の個数: 48

約数和(自身を含む): 327729024

約数和(自身を除く): 161164474

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 82, 155, 205, 310, 410, 775, 1025, 1271, 1550, 2050, 2542, 2621, 5242, 6355, 12710, 13105, 26210, 31775, 63550, 65525, 81251, 107461, 131050, 162502, 214922, 406255, 537305, 812510, 1074610, 2031275, 2686525, 3331291, 4062550, 5373050, 6662582, 16656455, 33312910, 83282275, 166564550]

約数ペア:

[(1, 166564550), (2, 83282275), (5, 33312910), (10, 16656455), (25, 6662582), (31, 5373050), (41, 4062550), (50, 3331291), (62, 2686525), (82, 2031275), (155, 1074610), (205, 812510), (310, 537305), (410, 406255), (775, 214922), (1025, 162502), (1271, 131050), (1550, 107461), (2050, 81251), (2542, 65525), (2621, 63550), (5242, 31775), (6355, 26210), (12710, 13105)]