2038960040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{28621}}^1$

素因数の和:28782

約数の個数: 64

約数和(自身を含む): 4976793360

約数和(自身を除く): 2937833320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 520, 548, 685, 1096, 1370, 1781, 2740, 3562, 5480, 7124, 8905, 14248, 17810, 28621, 35620, 57242, 71240, 114484, 143105, 228968, 286210, 372073, 572420, 744146, 1144840, 1488292, 1860365, 2976584, 3720730, 3921077, 7441460, 7842154, 14882920, 15684308, 19605385, 31368616, 39210770, 50974001, 78421540, 101948002, 156843080, 203896004, 254870005, 407792008, 509740010, 1019480020, 2038960040]

約数ペア:

[(1, 2038960040), (2, 1019480020), (4, 509740010), (5, 407792008), (8, 254870005), (10, 203896004), (13, 156843080), (20, 101948002), (26, 78421540), (40, 50974001), (52, 39210770), (65, 31368616), (104, 19605385), (130, 15684308), (137, 14882920), (260, 7842154), (274, 7441460), (520, 3921077), (548, 3720730), (685, 2976584), (1096, 1860365), (1370, 1488292), (1781, 1144840), (2740, 744146), (3562, 572420), (5480, 372073), (7124, 286210), (8905, 228968), (14248, 143105), (17810, 114484), (28621, 71240), (35620, 57242)]