8023750

素因数分解:

$2^1\times 5^4\times 7^2\times {\mathrm{131}}^1$

素因数の和:167

約数の個数: 60

約数和(自身を含む): 17628732

約数和(自身を除く): 9604982

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 131, 175, 245, 250, 262, 350, 490, 625, 655, 875, 917, 1225, 1250, 1310, 1750, 1834, 2450, 3275, 4375, 4585, 6125, 6419, 6550, 8750, 9170, 12250, 12838, 16375, 22925, 30625, 32095, 32750, 45850, 61250, 64190, 81875, 114625, 160475, 163750, 229250, 320950, 573125, 802375, 1146250, 1604750, 4011875, 8023750]

約数ペア:

[(1, 8023750), (2, 4011875), (5, 1604750), (7, 1146250), (10, 802375), (14, 573125), (25, 320950), (35, 229250), (49, 163750), (50, 160475), (70, 114625), (98, 81875), (125, 64190), (131, 61250), (175, 45850), (245, 32750), (250, 32095), (262, 30625), (350, 22925), (490, 16375), (625, 12838), (655, 12250), (875, 9170), (917, 8750), (1225, 6550), (1250, 6419), (1310, 6125), (1750, 4585), (1834, 4375), (2450, 3275)]