39457240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 91690560

約数和(自身を除く): 52233320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 103, 122, 157, 206, 244, 305, 314, 412, 488, 515, 610, 628, 785, 824, 1030, 1220, 1256, 1570, 2060, 2440, 3140, 4120, 6280, 6283, 9577, 12566, 16171, 19154, 25132, 31415, 32342, 38308, 47885, 50264, 62830, 64684, 76616, 80855, 95770, 125660, 129368, 161710, 191540, 251320, 323420, 383080, 646840, 986431, 1972862, 3945724, 4932155, 7891448, 9864310, 19728620, 39457240]

約数ペア:

[(1, 39457240), (2, 19728620), (4, 9864310), (5, 7891448), (8, 4932155), (10, 3945724), (20, 1972862), (40, 986431), (61, 646840), (103, 383080), (122, 323420), (157, 251320), (206, 191540), (244, 161710), (305, 129368), (314, 125660), (412, 95770), (488, 80855), (515, 76616), (610, 64684), (628, 62830), (785, 50264), (824, 47885), (1030, 38308), (1220, 32342), (1256, 31415), (1570, 25132), (2060, 19154), (2440, 16171), (3140, 12566), (4120, 9577), (6280, 6283)]