8281250

素因数分解:

$2^1\times 5^7\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 32

約数和(自身を含む): 15820272

約数和(自身を除く): 7539022

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 530, 625, 1250, 1325, 2650, 3125, 6250, 6625, 13250, 15625, 31250, 33125, 66250, 78125, 156250, 165625, 331250, 828125, 1656250, 4140625, 8281250]

約数ペア:

[(1, 8281250), (2, 4140625), (5, 1656250), (10, 828125), (25, 331250), (50, 165625), (53, 156250), (106, 78125), (125, 66250), (250, 33125), (265, 31250), (530, 15625), (625, 13250), (1250, 6625), (1325, 6250), (2650, 3125)]