61395620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21467}}^1$

素因数の和:21500

約数の個数: 48

約数和(自身を含む): 151478208

約数和(自身を除く): 90082588

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 21467, 42934, 85868, 107335, 214670, 236137, 279071, 429340, 472274, 558142, 944548, 1116284, 1180685, 1395355, 2361370, 2790710, 3069781, 4722740, 5581420, 6139562, 12279124, 15348905, 30697810, 61395620]

約数ペア:

[(1, 61395620), (2, 30697810), (4, 15348905), (5, 12279124), (10, 6139562), (11, 5581420), (13, 4722740), (20, 3069781), (22, 2790710), (26, 2361370), (44, 1395355), (52, 1180685), (55, 1116284), (65, 944548), (110, 558142), (130, 472274), (143, 429340), (220, 279071), (260, 236137), (286, 214670), (572, 107335), (715, 85868), (1430, 42934), (2860, 21467)]