65963420

素因数分解:

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

素因数の和:674

約数の個数: 48

約数和(自身を含む): 142248960

約数和(自身を除く): 76285540

約数列:

[1, 2, 4, 5, 10, 20, 79, 83, 158, 166, 316, 332, 395, 415, 503, 790, 830, 1006, 1580, 1660, 2012, 2515, 5030, 6557, 10060, 13114, 26228, 32785, 39737, 41749, 65570, 79474, 83498, 131140, 158948, 166996, 198685, 208745, 397370, 417490, 794740, 834980, 3298171, 6596342, 13192684, 16490855, 32981710, 65963420]

約数ペア:

[(1, 65963420), (2, 32981710), (4, 16490855), (5, 13192684), (10, 6596342), (20, 3298171), (79, 834980), (83, 794740), (158, 417490), (166, 397370), (316, 208745), (332, 198685), (395, 166996), (415, 158948), (503, 131140), (790, 83498), (830, 79474), (1006, 65570), (1580, 41749), (1660, 39737), (2012, 32785), (2515, 26228), (5030, 13114), (6557, 10060)]