66228860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 142248960

約数和(自身を除く): 76020100

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 167, 251, 316, 334, 395, 502, 668, 790, 835, 1004, 1255, 1580, 1670, 2510, 3340, 5020, 13193, 19829, 26386, 39658, 41917, 52772, 65965, 79316, 83834, 99145, 131930, 167668, 198290, 209585, 263860, 396580, 419170, 838340, 3311443, 6622886, 13245772, 16557215, 33114430, 66228860]

約数ペア:

[(1, 66228860), (2, 33114430), (4, 16557215), (5, 13245772), (10, 6622886), (20, 3311443), (79, 838340), (158, 419170), (167, 396580), (251, 263860), (316, 209585), (334, 198290), (395, 167668), (502, 131930), (668, 99145), (790, 83834), (835, 79316), (1004, 65965), (1255, 52772), (1580, 41917), (1670, 39658), (2510, 26386), (3340, 19829), (5020, 13193)]