12401420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 27095040

約数和(自身を除く): 14693620

約数列:

[1, 2, 4, 5, 10, 20, 47, 79, 94, 158, 167, 188, 235, 316, 334, 395, 470, 668, 790, 835, 940, 1580, 1670, 3340, 3713, 7426, 7849, 13193, 14852, 15698, 18565, 26386, 31396, 37130, 39245, 52772, 65965, 74260, 78490, 131930, 156980, 263860, 620071, 1240142, 2480284, 3100355, 6200710, 12401420]

約数ペア:

[(1, 12401420), (2, 6200710), (4, 3100355), (5, 2480284), (10, 1240142), (20, 620071), (47, 263860), (79, 156980), (94, 131930), (158, 78490), (167, 74260), (188, 65965), (235, 52772), (316, 39245), (334, 37130), (395, 31396), (470, 26386), (668, 18565), (790, 15698), (835, 14852), (940, 13193), (1580, 7849), (1670, 7426), (3340, 3713)]