75570625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 40

約数和(自身を含む): 103916736

約数和(自身を除く): 28346111

約数列:

[1, 5, 13, 25, 65, 71, 125, 131, 325, 355, 625, 655, 923, 1625, 1703, 1775, 3275, 4615, 8125, 8515, 8875, 9301, 16375, 23075, 42575, 44375, 46505, 81875, 115375, 120913, 212875, 232525, 576875, 604565, 1064375, 1162625, 3022825, 5813125, 15114125, 75570625]

約数ペア:

[(1, 75570625), (5, 15114125), (13, 5813125), (25, 3022825), (65, 1162625), (71, 1064375), (125, 604565), (131, 576875), (325, 232525), (355, 212875), (625, 120913), (655, 115375), (923, 81875), (1625, 46505), (1703, 44375), (1775, 42575), (3275, 23075), (4615, 16375), (8125, 9301), (8515, 8875)]