42981250

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:86

約数の個数: 72

約数和(自身を含む): 90720756

約数和(自身を除く): 47739506

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 125, 130, 230, 250, 299, 325, 529, 575, 598, 625, 650, 1058, 1150, 1250, 1495, 1625, 2645, 2875, 2990, 3125, 3250, 5290, 5750, 6250, 6877, 7475, 8125, 13225, 13754, 14375, 14950, 16250, 26450, 28750, 34385, 37375, 40625, 66125, 68770, 71875, 74750, 81250, 132250, 143750, 171925, 186875, 330625, 343850, 373750, 661250, 859625, 934375, 1653125, 1719250, 1868750, 3306250, 4298125, 8596250, 21490625, 42981250]

約数ペア:

[(1, 42981250), (2, 21490625), (5, 8596250), (10, 4298125), (13, 3306250), (23, 1868750), (25, 1719250), (26, 1653125), (46, 934375), (50, 859625), (65, 661250), (115, 373750), (125, 343850), (130, 330625), (230, 186875), (250, 171925), (299, 143750), (325, 132250), (529, 81250), (575, 74750), (598, 71875), (625, 68770), (650, 66125), (1058, 40625), (1150, 37375), (1250, 34385), (1495, 28750), (1625, 26450), (2645, 16250), (2875, 14950), (2990, 14375), (3125, 13754), (3250, 13225), (5290, 8125), (5750, 7475), (6250, 6877)]