38419420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1381}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 87762528

約数和(自身を除く): 49343108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 1070, 1381, 1391, 2140, 2762, 2782, 5524, 5564, 6905, 6955, 13810, 13910, 17953, 27620, 27820, 35906, 71812, 89765, 147767, 179530, 295534, 359060, 591068, 738835, 1477670, 1920971, 2955340, 3841942, 7683884, 9604855, 19209710, 38419420]

約数ペア:

[(1, 38419420), (2, 19209710), (4, 9604855), (5, 7683884), (10, 3841942), (13, 2955340), (20, 1920971), (26, 1477670), (52, 738835), (65, 591068), (107, 359060), (130, 295534), (214, 179530), (260, 147767), (428, 89765), (535, 71812), (1070, 35906), (1381, 27820), (1391, 27620), (2140, 17953), (2762, 13910), (2782, 13810), (5524, 6955), (5564, 6905)]