71854250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{22109}}^1$

素因数の和:22139

約数の個数: 32

約数和(自身を含む): 144864720

約数和(自身を除く): 73010470

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 22109, 44218, 110545, 221090, 287417, 552725, 574834, 1105450, 1437085, 2763625, 2874170, 5527250, 7185425, 14370850, 35927125, 71854250]

約数ペア:

[(1, 71854250), (2, 35927125), (5, 14370850), (10, 7185425), (13, 5527250), (25, 2874170), (26, 2763625), (50, 1437085), (65, 1105450), (125, 574834), (130, 552725), (250, 287417), (325, 221090), (650, 110545), (1625, 44218), (3250, 22109)]