13665560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17981}}^1$

素因数の和:18011

約数の個数: 32

約数和(自身を含む): 32367600

約数和(自身を除く): 18702040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 17981, 35962, 71924, 89905, 143848, 179810, 341639, 359620, 683278, 719240, 1366556, 1708195, 2733112, 3416390, 6832780, 13665560]

約数ペア:

[(1, 13665560), (2, 6832780), (4, 3416390), (5, 2733112), (8, 1708195), (10, 1366556), (19, 719240), (20, 683278), (38, 359620), (40, 341639), (76, 179810), (95, 143848), (152, 89905), (190, 71924), (380, 35962), (760, 17981)]