81231700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73847}}^1$

素因数の和:73872

約数の個数: 36

約数和(自身を含む): 192300192

約数和(自身を除く): 111068492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 73847, 147694, 295388, 369235, 738470, 812317, 1476940, 1624634, 1846175, 3249268, 3692350, 4061585, 7384700, 8123170, 16246340, 20307925, 40615850, 81231700]

約数ペア:

[(1, 81231700), (2, 40615850), (4, 20307925), (5, 16246340), (10, 8123170), (11, 7384700), (20, 4061585), (22, 3692350), (25, 3249268), (44, 1846175), (50, 1624634), (55, 1476940), (100, 812317), (110, 738470), (220, 369235), (275, 295388), (550, 147694), (1100, 73847)]