261054400

素因数分解:

$2^6\times 5^2\times {\mathrm{167}}^1\times {\mathrm{977}}^1$

素因数の和:1166

約数の個数: 84

約数和(自身を含む): 646864848

約数和(自身を除く): 385810448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 167, 200, 320, 334, 400, 668, 800, 835, 977, 1336, 1600, 1670, 1954, 2672, 3340, 3908, 4175, 4885, 5344, 6680, 7816, 8350, 9770, 10688, 13360, 15632, 16700, 19540, 24425, 26720, 31264, 33400, 39080, 48850, 53440, 62528, 66800, 78160, 97700, 133600, 156320, 163159, 195400, 267200, 312640, 326318, 390800, 652636, 781600, 815795, 1305272, 1563200, 1631590, 2610544, 3263180, 4078975, 5221088, 6526360, 8157950, 10442176, 13052720, 16315900, 26105440, 32631800, 52210880, 65263600, 130527200, 261054400]

約数ペア:

[(1, 261054400), (2, 130527200), (4, 65263600), (5, 52210880), (8, 32631800), (10, 26105440), (16, 16315900), (20, 13052720), (25, 10442176), (32, 8157950), (40, 6526360), (50, 5221088), (64, 4078975), (80, 3263180), (100, 2610544), (160, 1631590), (167, 1563200), (200, 1305272), (320, 815795), (334, 781600), (400, 652636), (668, 390800), (800, 326318), (835, 312640), (977, 267200), (1336, 195400), (1600, 163159), (1670, 156320), (1954, 133600), (2672, 97700), (3340, 78160), (3908, 66800), (4175, 62528), (4885, 53440), (5344, 48850), (6680, 39080), (7816, 33400), (8350, 31264), (9770, 26720), (10688, 24425), (13360, 19540), (15632, 16700)]