15940702940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2161}}^1\times {\mathrm{6959}}^1$

素因数の和:9182

約数の個数: 48

約数和(自身を含む): 34127775360

約数和(自身を除く): 18187072420

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 2161, 4322, 6959, 8644, 10805, 13918, 21610, 27836, 34795, 43220, 69590, 114533, 139180, 229066, 368827, 458132, 572665, 737654, 1145330, 1475308, 1844135, 2290660, 3688270, 7376540, 15038399, 30076798, 60153596, 75191995, 150383990, 300767980, 797035147, 1594070294, 3188140588, 3985175735, 7970351470, 15940702940]

約数ペア:

[(1, 15940702940), (2, 7970351470), (4, 3985175735), (5, 3188140588), (10, 1594070294), (20, 797035147), (53, 300767980), (106, 150383990), (212, 75191995), (265, 60153596), (530, 30076798), (1060, 15038399), (2161, 7376540), (4322, 3688270), (6959, 2290660), (8644, 1844135), (10805, 1475308), (13918, 1145330), (21610, 737654), (27836, 572665), (34795, 458132), (43220, 368827), (69590, 229066), (114533, 139180)]