79758400

素因数分解:

$2^6\times 5^2\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:732

約数の個数: 84

約数和(自身を含む): 199054720

約数和(自身を除く): 119296320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 158, 160, 200, 316, 320, 395, 400, 631, 632, 790, 800, 1262, 1264, 1580, 1600, 1975, 2524, 2528, 3155, 3160, 3950, 5048, 5056, 6310, 6320, 7900, 10096, 12620, 12640, 15775, 15800, 20192, 25240, 25280, 31550, 31600, 40384, 49849, 50480, 63100, 63200, 99698, 100960, 126200, 126400, 199396, 201920, 249245, 252400, 398792, 498490, 504800, 797584, 996980, 1009600, 1246225, 1595168, 1993960, 2492450, 3190336, 3987920, 4984900, 7975840, 9969800, 15951680, 19939600, 39879200, 79758400]

約数ペア:

[(1, 79758400), (2, 39879200), (4, 19939600), (5, 15951680), (8, 9969800), (10, 7975840), (16, 4984900), (20, 3987920), (25, 3190336), (32, 2492450), (40, 1993960), (50, 1595168), (64, 1246225), (79, 1009600), (80, 996980), (100, 797584), (158, 504800), (160, 498490), (200, 398792), (316, 252400), (320, 249245), (395, 201920), (400, 199396), (631, 126400), (632, 126200), (790, 100960), (800, 99698), (1262, 63200), (1264, 63100), (1580, 50480), (1600, 49849), (1975, 40384), (2524, 31600), (2528, 31550), (3155, 25280), (3160, 25240), (3950, 20192), (5048, 15800), (5056, 15775), (6310, 12640), (6320, 12620), (7900, 10096)]