152857960

素因数分解:

$2^3\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{1979}}^1$

素因数の和:3921

約数の個数: 32

約数和(自身を含む): 344282400

約数和(自身を除く): 191424440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1931, 1979, 3862, 3958, 7724, 7916, 9655, 9895, 15448, 15832, 19310, 19790, 38620, 39580, 77240, 79160, 3821449, 7642898, 15285796, 19107245, 30571592, 38214490, 76428980, 152857960]

約数ペア:

[(1, 152857960), (2, 76428980), (4, 38214490), (5, 30571592), (8, 19107245), (10, 15285796), (20, 7642898), (40, 3821449), (1931, 79160), (1979, 77240), (3862, 39580), (3958, 38620), (7724, 19790), (7916, 19310), (9655, 15832), (9895, 15448)]