1302500

素因数分解:

$2^2\times 5^4\times {\mathrm{521}}^1$

素因数の和:545

約数の個数: 30

約数和(自身を含む): 2853774

約数和(自身を除く): 1551274

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 521, 625, 1042, 1250, 2084, 2500, 2605, 5210, 10420, 13025, 26050, 52100, 65125, 130250, 260500, 325625, 651250, 1302500]

約数ペア:

[(1, 1302500), (2, 651250), (4, 325625), (5, 260500), (10, 130250), (20, 65125), (25, 52100), (50, 26050), (100, 13025), (125, 10420), (250, 5210), (500, 2605), (521, 2500), (625, 2084), (1042, 1250)]