8374000

素因数分解:

$2^4\times 5^3\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 80

約数和(自身を含む): 20891520

約数和(自身を除く): 12517520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 79, 80, 100, 106, 125, 158, 200, 212, 250, 265, 316, 395, 400, 424, 500, 530, 632, 790, 848, 1000, 1060, 1264, 1325, 1580, 1975, 2000, 2120, 2650, 3160, 3950, 4187, 4240, 5300, 6320, 6625, 7900, 8374, 9875, 10600, 13250, 15800, 16748, 19750, 20935, 21200, 26500, 31600, 33496, 39500, 41870, 53000, 66992, 79000, 83740, 104675, 106000, 158000, 167480, 209350, 334960, 418700, 523375, 837400, 1046750, 1674800, 2093500, 4187000, 8374000]

約数ペア:

[(1, 8374000), (2, 4187000), (4, 2093500), (5, 1674800), (8, 1046750), (10, 837400), (16, 523375), (20, 418700), (25, 334960), (40, 209350), (50, 167480), (53, 158000), (79, 106000), (80, 104675), (100, 83740), (106, 79000), (125, 66992), (158, 53000), (200, 41870), (212, 39500), (250, 33496), (265, 31600), (316, 26500), (395, 21200), (400, 20935), (424, 19750), (500, 16748), (530, 15800), (632, 13250), (790, 10600), (848, 9875), (1000, 8374), (1060, 7900), (1264, 6625), (1325, 6320), (1580, 5300), (1975, 4240), (2000, 4187), (2120, 3950), (2650, 3160)]