53787500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 127085616

約数和(自身を除く): 73298116

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 331, 500, 625, 650, 662, 1250, 1300, 1324, 1625, 1655, 2500, 3125, 3250, 3310, 4303, 6250, 6500, 6620, 8125, 8275, 8606, 12500, 16250, 16550, 17212, 21515, 32500, 33100, 40625, 41375, 43030, 81250, 82750, 86060, 107575, 162500, 165500, 206875, 215150, 413750, 430300, 537875, 827500, 1034375, 1075750, 2068750, 2151500, 2689375, 4137500, 5378750, 10757500, 13446875, 26893750, 53787500]

約数ペア:

[(1, 53787500), (2, 26893750), (4, 13446875), (5, 10757500), (10, 5378750), (13, 4137500), (20, 2689375), (25, 2151500), (26, 2068750), (50, 1075750), (52, 1034375), (65, 827500), (100, 537875), (125, 430300), (130, 413750), (250, 215150), (260, 206875), (325, 165500), (331, 162500), (500, 107575), (625, 86060), (650, 82750), (662, 81250), (1250, 43030), (1300, 41375), (1324, 40625), (1625, 33100), (1655, 32500), (2500, 21515), (3125, 17212), (3250, 16550), (3310, 16250), (4303, 12500), (6250, 8606), (6500, 8275), (6620, 8125)]