39879200

素因数分解:

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

素因数の和:730

約数の個数: 72

約数和(自身を含む): 98743680

約数和(自身を除く): 58864480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 631, 632, 790, 800, 1262, 1264, 1580, 1975, 2524, 2528, 3155, 3160, 3950, 5048, 6310, 6320, 7900, 10096, 12620, 12640, 15775, 15800, 20192, 25240, 31550, 31600, 49849, 50480, 63100, 63200, 99698, 100960, 126200, 199396, 249245, 252400, 398792, 498490, 504800, 797584, 996980, 1246225, 1595168, 1993960, 2492450, 3987920, 4984900, 7975840, 9969800, 19939600, 39879200]

約数ペア:

[(1, 39879200), (2, 19939600), (4, 9969800), (5, 7975840), (8, 4984900), (10, 3987920), (16, 2492450), (20, 1993960), (25, 1595168), (32, 1246225), (40, 996980), (50, 797584), (79, 504800), (80, 498490), (100, 398792), (158, 252400), (160, 249245), (200, 199396), (316, 126200), (395, 100960), (400, 99698), (631, 63200), (632, 63100), (790, 50480), (800, 49849), (1262, 31600), (1264, 31550), (1580, 25240), (1975, 20192), (2524, 15800), (2528, 15775), (3155, 12640), (3160, 12620), (3950, 10096), (5048, 7900), (6310, 6320)]