858478960

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{129289}}^1$

素因数の和:129385

約数の個数: 40

約数和(自身を含む): 2020026960

約数和(自身を除く): 1161548000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 129289, 258578, 517156, 646445, 1034312, 1292890, 2068624, 2585780, 5171560, 10343120, 10730987, 21461974, 42923948, 53654935, 85847896, 107309870, 171695792, 214619740, 429239480, 858478960]

約数ペア:

[(1, 858478960), (2, 429239480), (4, 214619740), (5, 171695792), (8, 107309870), (10, 85847896), (16, 53654935), (20, 42923948), (40, 21461974), (80, 10730987), (83, 10343120), (166, 5171560), (332, 2585780), (415, 2068624), (664, 1292890), (830, 1034312), (1328, 646445), (1660, 517156), (3320, 258578), (6640, 129289)]