61947920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24979}}^1$

素因数の和:25023

約数の個数: 40

約数和(自身を含む): 148680960

約数和(自身を除く): 86733040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 24979, 49958, 99916, 124895, 199832, 249790, 399664, 499580, 774349, 999160, 1548698, 1998320, 3097396, 3871745, 6194792, 7743490, 12389584, 15486980, 30973960, 61947920]

約数ペア:

[(1, 61947920), (2, 30973960), (4, 15486980), (5, 12389584), (8, 7743490), (10, 6194792), (16, 3871745), (20, 3097396), (31, 1998320), (40, 1548698), (62, 999160), (80, 774349), (124, 499580), (155, 399664), (248, 249790), (310, 199832), (496, 124895), (620, 99916), (1240, 49958), (2480, 24979)]