2031250

素因数分解:

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

素因数の和:50

約数の個数: 32

約数和(自身を含む): 4101552

約数和(自身を除く): 2070302

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3125, 3250, 6250, 8125, 15625, 16250, 31250, 40625, 78125, 81250, 156250, 203125, 406250, 1015625, 2031250]

約数ペア:

[(1, 2031250), (2, 1015625), (5, 406250), (10, 203125), (13, 156250), (25, 81250), (26, 78125), (50, 40625), (65, 31250), (125, 16250), (130, 15625), (250, 8125), (325, 6250), (625, 3250), (650, 3125), (1250, 1625)]