74999440

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11867}}^1$

素因数の和:11959

約数の個数: 40

約数和(自身を含む): 176595840

約数和(自身を除く): 101596400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 11867, 23734, 47468, 59335, 94936, 118670, 189872, 237340, 474680, 937493, 949360, 1874986, 3749972, 4687465, 7499944, 9374930, 14999888, 18749860, 37499720, 74999440]

約数ペア:

[(1, 74999440), (2, 37499720), (4, 18749860), (5, 14999888), (8, 9374930), (10, 7499944), (16, 4687465), (20, 3749972), (40, 1874986), (79, 949360), (80, 937493), (158, 474680), (316, 237340), (395, 189872), (632, 118670), (790, 94936), (1264, 59335), (1580, 47468), (3160, 23734), (6320, 11867)]