84268760

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23671}}^1$

素因数の和:23771

約数の個数: 32

約数和(自身を含む): 191743200

約数和(自身を除く): 107474440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 23671, 47342, 94684, 118355, 189368, 236710, 473420, 946840, 2106719, 4213438, 8426876, 10533595, 16853752, 21067190, 42134380, 84268760]

約数ペア:

[(1, 84268760), (2, 42134380), (4, 21067190), (5, 16853752), (8, 10533595), (10, 8426876), (20, 4213438), (40, 2106719), (89, 946840), (178, 473420), (356, 236710), (445, 189368), (712, 118355), (890, 94684), (1780, 47342), (3560, 23671)]