199958980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{769073}}^1$

素因数の和:769095

約数の個数: 24

約数和(自身を含む): 452215512

約数和(自身を除く): 252256532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 769073, 1538146, 3076292, 3845365, 7690730, 9997949, 15381460, 19995898, 39991796, 49989745, 99979490, 199958980]

約数ペア:

[(1, 199958980), (2, 99979490), (4, 49989745), (5, 39991796), (10, 19995898), (13, 15381460), (20, 9997949), (26, 7690730), (52, 3845365), (65, 3076292), (130, 1538146), (260, 769073)]