72759920

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5081}}^1$

素因数の和:5273

約数の個数: 40

約数和(自身を含む): 170145360

約数和(自身を除く): 97385440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 5081, 7160, 10162, 14320, 20324, 25405, 40648, 50810, 81296, 101620, 203240, 406480, 909499, 1818998, 3637996, 4547495, 7275992, 9094990, 14551984, 18189980, 36379960, 72759920]

約数ペア:

[(1, 72759920), (2, 36379960), (4, 18189980), (5, 14551984), (8, 9094990), (10, 7275992), (16, 4547495), (20, 3637996), (40, 1818998), (80, 909499), (179, 406480), (358, 203240), (716, 101620), (895, 81296), (1432, 50810), (1790, 40648), (2864, 25405), (3580, 20324), (5081, 14320), (7160, 10162)]