9969800

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 23510400

約数和(自身を除く): 13540600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 631, 632, 790, 1262, 1580, 1975, 2524, 3155, 3160, 3950, 5048, 6310, 7900, 12620, 15775, 15800, 25240, 31550, 49849, 63100, 99698, 126200, 199396, 249245, 398792, 498490, 996980, 1246225, 1993960, 2492450, 4984900, 9969800]

約数ペア:

[(1, 9969800), (2, 4984900), (4, 2492450), (5, 1993960), (8, 1246225), (10, 996980), (20, 498490), (25, 398792), (40, 249245), (50, 199396), (79, 126200), (100, 99698), (158, 63100), (200, 49849), (316, 31550), (395, 25240), (631, 15800), (632, 15775), (790, 12620), (1262, 7900), (1580, 6310), (1975, 5048), (2524, 3950), (3155, 3160)]