26406250

素因数分解:

$2^1\times 5^7\times {\mathrm{13}}^2$

素因数の和:63

約数の個数: 48

約数和(自身を含む): 53613144

約数和(自身を除く): 27206894

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 625, 650, 845, 1250, 1625, 1690, 3125, 3250, 4225, 6250, 8125, 8450, 15625, 16250, 21125, 31250, 40625, 42250, 78125, 81250, 105625, 156250, 203125, 211250, 406250, 528125, 1015625, 1056250, 2031250, 2640625, 5281250, 13203125, 26406250]

約数ペア:

[(1, 26406250), (2, 13203125), (5, 5281250), (10, 2640625), (13, 2031250), (25, 1056250), (26, 1015625), (50, 528125), (65, 406250), (125, 211250), (130, 203125), (169, 156250), (250, 105625), (325, 81250), (338, 78125), (625, 42250), (650, 40625), (845, 31250), (1250, 21125), (1625, 16250), (1690, 15625), (3125, 8450), (3250, 8125), (4225, 6250)]