84119240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23629}}^1$

素因数の和:23729

約数の個数: 32

約数和(自身を含む): 191403000

約数和(自身を除く): 107283760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 23629, 47258, 94516, 118145, 189032, 236290, 472580, 945160, 2102981, 4205962, 8411924, 10514905, 16823848, 21029810, 42059620, 84119240]

約数ペア:

[(1, 84119240), (2, 42059620), (4, 21029810), (5, 16823848), (8, 10514905), (10, 8411924), (20, 4205962), (40, 2102981), (89, 945160), (178, 472580), (356, 236290), (445, 189032), (712, 118145), (890, 94516), (1780, 47258), (3560, 23629)]