99672880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{13999}}^1$

素因数の和:14101

約数の個数: 40

約数和(自身を含む): 234360000

約数和(自身を除く): 134687120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 13999, 27998, 55996, 69995, 111992, 139990, 223984, 279980, 559960, 1119920, 1245911, 2491822, 4983644, 6229555, 9967288, 12459110, 19934576, 24918220, 49836440, 99672880]

約数ペア:

[(1, 99672880), (2, 49836440), (4, 24918220), (5, 19934576), (8, 12459110), (10, 9967288), (16, 6229555), (20, 4983644), (40, 2491822), (80, 1245911), (89, 1119920), (178, 559960), (356, 279980), (445, 223984), (712, 139990), (890, 111992), (1424, 69995), (1780, 55996), (3560, 27998), (7120, 13999)]