12187960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9829}}^1$

素因数の和:9871

約数の個数: 32

約数和(自身を含む): 28310400

約数和(自身を除く): 16122440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 9829, 19658, 39316, 49145, 78632, 98290, 196580, 304699, 393160, 609398, 1218796, 1523495, 2437592, 3046990, 6093980, 12187960]

約数ペア:

[(1, 12187960), (2, 6093980), (4, 3046990), (5, 2437592), (8, 1523495), (10, 1218796), (20, 609398), (31, 393160), (40, 304699), (62, 196580), (124, 98290), (155, 78632), (248, 49145), (310, 39316), (620, 19658), (1240, 9829)]