25797860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 59572800

約数和(自身を除く): 33774940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 787, 1490, 1574, 1639, 2980, 3148, 3278, 3935, 6556, 7870, 8195, 8657, 15740, 16390, 17314, 32780, 34628, 43285, 86570, 117263, 173140, 234526, 469052, 586315, 1172630, 1289893, 2345260, 2579786, 5159572, 6449465, 12898930, 25797860]

約数ペア:

[(1, 25797860), (2, 12898930), (4, 6449465), (5, 5159572), (10, 2579786), (11, 2345260), (20, 1289893), (22, 1172630), (44, 586315), (55, 469052), (110, 234526), (149, 173140), (220, 117263), (298, 86570), (596, 43285), (745, 34628), (787, 32780), (1490, 17314), (1574, 16390), (1639, 15740), (2980, 8657), (3148, 8195), (3278, 7870), (3935, 6556)]