40287560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 94564800

約数和(自身を除く): 54277240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 59, 86, 118, 172, 215, 236, 295, 344, 397, 430, 472, 590, 794, 860, 1180, 1588, 1720, 1985, 2360, 2537, 3176, 3970, 5074, 7940, 10148, 12685, 15880, 17071, 20296, 23423, 25370, 34142, 46846, 50740, 68284, 85355, 93692, 101480, 117115, 136568, 170710, 187384, 234230, 341420, 468460, 682840, 936920, 1007189, 2014378, 4028756, 5035945, 8057512, 10071890, 20143780, 40287560]

約数ペア:

[(1, 40287560), (2, 20143780), (4, 10071890), (5, 8057512), (8, 5035945), (10, 4028756), (20, 2014378), (40, 1007189), (43, 936920), (59, 682840), (86, 468460), (118, 341420), (172, 234230), (215, 187384), (236, 170710), (295, 136568), (344, 117115), (397, 101480), (430, 93692), (472, 85355), (590, 68284), (794, 50740), (860, 46846), (1180, 34142), (1588, 25370), (1720, 23423), (1985, 20296), (2360, 17071), (2537, 15880), (3176, 12685), (3970, 10148), (5074, 7940)]