15916520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5939}}^1$

素因数の和:6017

約数の個数: 32

約数和(自身を含む): 36352800

約数和(自身を除く): 20436280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 5939, 11878, 23756, 29695, 47512, 59390, 118780, 237560, 397913, 795826, 1591652, 1989565, 3183304, 3979130, 7958260, 15916520]

約数ペア:

[(1, 15916520), (2, 7958260), (4, 3979130), (5, 3183304), (8, 1989565), (10, 1591652), (20, 795826), (40, 397913), (67, 237560), (134, 118780), (268, 59390), (335, 47512), (536, 29695), (670, 23756), (1340, 11878), (2680, 5939)]