55715140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{509}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 126549360

約数和(自身を除く): 70834220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 421, 509, 842, 1018, 1684, 2036, 2105, 2545, 4210, 5090, 5473, 6617, 8420, 10180, 10946, 13234, 21892, 26468, 27365, 33085, 54730, 66170, 109460, 132340, 214289, 428578, 857156, 1071445, 2142890, 2785757, 4285780, 5571514, 11143028, 13928785, 27857570, 55715140]

約数ペア:

[(1, 55715140), (2, 27857570), (4, 13928785), (5, 11143028), (10, 5571514), (13, 4285780), (20, 2785757), (26, 2142890), (52, 1071445), (65, 857156), (130, 428578), (260, 214289), (421, 132340), (509, 109460), (842, 66170), (1018, 54730), (1684, 33085), (2036, 27365), (2105, 26468), (2545, 21892), (4210, 13234), (5090, 10946), (5473, 10180), (6617, 8420)]