40351480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1063}}^1$

素因数の和:1160

約数の個数: 64

約数和(自身を含む): 99207360

約数和(自身を除く): 58855880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 949, 1063, 1460, 1898, 2126, 2920, 3796, 4252, 4745, 5315, 7592, 8504, 9490, 10630, 13819, 18980, 21260, 27638, 37960, 42520, 55276, 69095, 77599, 110552, 138190, 155198, 276380, 310396, 387995, 552760, 620792, 775990, 1008787, 1551980, 2017574, 3103960, 4035148, 5043935, 8070296, 10087870, 20175740, 40351480]

約数ペア:

[(1, 40351480), (2, 20175740), (4, 10087870), (5, 8070296), (8, 5043935), (10, 4035148), (13, 3103960), (20, 2017574), (26, 1551980), (40, 1008787), (52, 775990), (65, 620792), (73, 552760), (104, 387995), (130, 310396), (146, 276380), (260, 155198), (292, 138190), (365, 110552), (520, 77599), (584, 69095), (730, 55276), (949, 42520), (1063, 37960), (1460, 27638), (1898, 21260), (2126, 18980), (2920, 13819), (3796, 10630), (4252, 9490), (4745, 8504), (5315, 7592)]