61657720

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{5861}}^1$

素因数の和:6135

約数の個数: 32

約数和(自身を含む): 139281120

約数和(自身を除く): 77623400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 5861, 10520, 11722, 23444, 29305, 46888, 58610, 117220, 234440, 1541443, 3082886, 6165772, 7707215, 12331544, 15414430, 30828860, 61657720]

約数ペア:

[(1, 61657720), (2, 30828860), (4, 15414430), (5, 12331544), (8, 7707215), (10, 6165772), (20, 3082886), (40, 1541443), (263, 234440), (526, 117220), (1052, 58610), (1315, 46888), (2104, 29305), (2630, 23444), (5260, 11722), (5861, 10520)]