89185760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17981}}^1$

素因数の和:18027

約数の個数: 48

約数和(自身を含む): 217510272

約数和(自身を除く): 128324512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 17981, 35962, 71924, 89905, 143848, 179810, 287696, 359620, 557411, 575392, 719240, 1114822, 1438480, 2229644, 2787055, 2876960, 4459288, 5574110, 8918576, 11148220, 17837152, 22296440, 44592880, 89185760]

約数ペア:

[(1, 89185760), (2, 44592880), (4, 22296440), (5, 17837152), (8, 11148220), (10, 8918576), (16, 5574110), (20, 4459288), (31, 2876960), (32, 2787055), (40, 2229644), (62, 1438480), (80, 1114822), (124, 719240), (155, 575392), (160, 557411), (248, 359620), (310, 287696), (496, 179810), (620, 143848), (992, 89905), (1240, 71924), (2480, 35962), (4960, 17981)]