68101820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1567}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 149361408

約数和(自身を除く): 81259588

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 820, 1060, 1567, 2173, 3134, 4346, 6268, 7835, 8692, 10865, 15670, 21730, 31340, 43460, 64247, 83051, 128494, 166102, 256988, 321235, 332204, 415255, 642470, 830510, 1284940, 1661020, 3405091, 6810182, 13620364, 17025455, 34050910, 68101820]

約数ペア:

[(1, 68101820), (2, 34050910), (4, 17025455), (5, 13620364), (10, 6810182), (20, 3405091), (41, 1661020), (53, 1284940), (82, 830510), (106, 642470), (164, 415255), (205, 332204), (212, 321235), (265, 256988), (410, 166102), (530, 128494), (820, 83051), (1060, 64247), (1567, 43460), (2173, 31340), (3134, 21730), (4346, 15670), (6268, 10865), (7835, 8692)]