131926840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 304819200

約数和(自身を除く): 172892360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 83, 158, 166, 316, 332, 395, 415, 503, 632, 664, 790, 830, 1006, 1580, 1660, 2012, 2515, 3160, 3320, 4024, 5030, 6557, 10060, 13114, 20120, 26228, 32785, 39737, 41749, 52456, 65570, 79474, 83498, 131140, 158948, 166996, 198685, 208745, 262280, 317896, 333992, 397370, 417490, 794740, 834980, 1589480, 1669960, 3298171, 6596342, 13192684, 16490855, 26385368, 32981710, 65963420, 131926840]

約数ペア:

[(1, 131926840), (2, 65963420), (4, 32981710), (5, 26385368), (8, 16490855), (10, 13192684), (20, 6596342), (40, 3298171), (79, 1669960), (83, 1589480), (158, 834980), (166, 794740), (316, 417490), (332, 397370), (395, 333992), (415, 317896), (503, 262280), (632, 208745), (664, 198685), (790, 166996), (830, 158948), (1006, 131140), (1580, 83498), (1660, 79474), (2012, 65570), (2515, 52456), (3160, 41749), (3320, 39737), (4024, 32785), (5030, 26228), (6557, 20120), (10060, 13114)]