42184420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26699}}^1$

素因数の和:26787

約数の個数: 24

約数和(自身を含む): 89712000

約数和(自身を除く): 47527580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 26699, 53398, 106796, 133495, 266990, 533980, 2109221, 4218442, 8436884, 10546105, 21092210, 42184420]

約数ペア:

[(1, 42184420), (2, 21092210), (4, 10546105), (5, 8436884), (10, 4218442), (20, 2109221), (79, 533980), (158, 266990), (316, 133495), (395, 106796), (790, 53398), (1580, 26699)]