68703700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1357

約数の個数: 72

約数和(自身を含む): 164598840

約数和(自身を除く): 95895140

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 205, 260, 325, 410, 533, 650, 820, 1025, 1066, 1289, 1300, 2050, 2132, 2578, 2665, 4100, 5156, 5330, 6445, 10660, 12890, 13325, 16757, 25780, 26650, 32225, 33514, 52849, 53300, 64450, 67028, 83785, 105698, 128900, 167570, 211396, 264245, 335140, 418925, 528490, 687037, 837850, 1056980, 1321225, 1374074, 1675700, 2642450, 2748148, 3435185, 5284900, 6870370, 13740740, 17175925, 34351850, 68703700]

約数ペア:

[(1, 68703700), (2, 34351850), (4, 17175925), (5, 13740740), (10, 6870370), (13, 5284900), (20, 3435185), (25, 2748148), (26, 2642450), (41, 1675700), (50, 1374074), (52, 1321225), (65, 1056980), (82, 837850), (100, 687037), (130, 528490), (164, 418925), (205, 335140), (260, 264245), (325, 211396), (410, 167570), (533, 128900), (650, 105698), (820, 83785), (1025, 67028), (1066, 64450), (1289, 53300), (1300, 52849), (2050, 33514), (2132, 32225), (2578, 26650), (2665, 25780), (4100, 16757), (5156, 13325), (5330, 12890), (6445, 10660)]