56301580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 123863040

約数和(自身を除く): 67561460

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1279, 1420, 2201, 2558, 4402, 5116, 6395, 8804, 11005, 12790, 22010, 25580, 39649, 44020, 79298, 90809, 158596, 181618, 198245, 363236, 396490, 454045, 792980, 908090, 1816180, 2815079, 5630158, 11260316, 14075395, 28150790, 56301580]

約数ペア:

[(1, 56301580), (2, 28150790), (4, 14075395), (5, 11260316), (10, 5630158), (20, 2815079), (31, 1816180), (62, 908090), (71, 792980), (124, 454045), (142, 396490), (155, 363236), (284, 198245), (310, 181618), (355, 158596), (620, 90809), (710, 79298), (1279, 44020), (1420, 39649), (2201, 25580), (2558, 22010), (4402, 12790), (5116, 11005), (6395, 8804)]