99886480

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14029}}^1$

素因数の和:14131

約数の個数: 40

約数和(自身を含む): 234862200

約数和(自身を除く): 134975720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 14029, 28058, 56116, 70145, 112232, 140290, 224464, 280580, 561160, 1122320, 1248581, 2497162, 4994324, 6242905, 9988648, 12485810, 19977296, 24971620, 49943240, 99886480]

約数ペア:

[(1, 99886480), (2, 49943240), (4, 24971620), (5, 19977296), (8, 12485810), (10, 9988648), (16, 6242905), (20, 4994324), (40, 2497162), (80, 1248581), (89, 1122320), (178, 561160), (356, 280580), (445, 224464), (712, 140290), (890, 112232), (1424, 70145), (1780, 56116), (3560, 28058), (7120, 14029)]