40648920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 133539840

約数和(自身を除く): 92890920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 71, 78, 104, 120, 130, 142, 156, 195, 213, 260, 284, 312, 355, 367, 390, 426, 520, 568, 710, 734, 780, 852, 923, 1065, 1101, 1420, 1468, 1560, 1704, 1835, 1846, 2130, 2202, 2769, 2840, 2936, 3670, 3692, 4260, 4404, 4615, 4771, 5505, 5538, 7340, 7384, 8520, 8808, 9230, 9542, 11010, 11076, 13845, 14313, 14680, 18460, 19084, 22020, 22152, 23855, 26057, 27690, 28626, 36920, 38168, 44040, 47710, 52114, 55380, 57252, 71565, 78171, 95420, 104228, 110760, 114504, 130285, 143130, 156342, 190840, 208456, 260570, 286260, 312684, 338741, 390855, 521140, 572520, 625368, 677482, 781710, 1016223, 1042280, 1354964, 1563420, 1693705, 2032446, 2709928, 3126840, 3387410, 4064892, 5081115, 6774820, 8129784, 10162230, 13549640, 20324460, 40648920]

約数ペア:

[(1, 40648920), (2, 20324460), (3, 13549640), (4, 10162230), (5, 8129784), (6, 6774820), (8, 5081115), (10, 4064892), (12, 3387410), (13, 3126840), (15, 2709928), (20, 2032446), (24, 1693705), (26, 1563420), (30, 1354964), (39, 1042280), (40, 1016223), (52, 781710), (60, 677482), (65, 625368), (71, 572520), (78, 521140), (104, 390855), (120, 338741), (130, 312684), (142, 286260), (156, 260570), (195, 208456), (213, 190840), (260, 156342), (284, 143130), (312, 130285), (355, 114504), (367, 110760), (390, 104228), (426, 95420), (520, 78171), (568, 71565), (710, 57252), (734, 55380), (780, 52114), (852, 47710), (923, 44040), (1065, 38168), (1101, 36920), (1420, 28626), (1468, 27690), (1560, 26057), (1704, 23855), (1835, 22152), (1846, 22020), (2130, 19084), (2202, 18460), (2769, 14680), (2840, 14313), (2936, 13845), (3670, 11076), (3692, 11010), (4260, 9542), (4404, 9230), (4615, 8808), (4771, 8520), (5505, 7384), (5538, 7340)]