127968760

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{19157}}^1$

素因数の和:19335

約数の個数: 32

約数和(自身を含む): 289668960

約数和(自身を除く): 161700200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 19157, 38314, 76628, 95785, 153256, 191570, 383140, 766280, 3199219, 6398438, 12796876, 15996095, 25593752, 31992190, 63984380, 127968760]

約数ペア:

[(1, 127968760), (2, 63984380), (4, 31992190), (5, 25593752), (8, 15996095), (10, 12796876), (20, 6398438), (40, 3199219), (167, 766280), (334, 383140), (668, 191570), (835, 153256), (1336, 95785), (1670, 76628), (3340, 38314), (6680, 19157)]