40649960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78173}}^1$

素因数の和:78197

約数の個数: 32

約数和(自身を含む): 98499240

約数和(自身を除く): 57849280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 78173, 156346, 312692, 390865, 625384, 781730, 1016249, 1563460, 2032498, 3126920, 4064996, 5081245, 8129992, 10162490, 20324980, 40649960]

約数ペア:

[(1, 40649960), (2, 20324980), (4, 10162490), (5, 8129992), (8, 5081245), (10, 4064996), (13, 3126920), (20, 2032498), (26, 1563460), (40, 1016249), (52, 781730), (65, 625384), (104, 390865), (130, 312692), (260, 156346), (520, 78173)]