40302860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{409}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 91610400

約数和(自身を除く): 51307540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 409, 758, 818, 1516, 1636, 1895, 2045, 3790, 4090, 4927, 5317, 7580, 8180, 9854, 10634, 19708, 21268, 24635, 26585, 49270, 53170, 98540, 106340, 155011, 310022, 620044, 775055, 1550110, 2015143, 3100220, 4030286, 8060572, 10075715, 20151430, 40302860]

約数ペア:

[(1, 40302860), (2, 20151430), (4, 10075715), (5, 8060572), (10, 4030286), (13, 3100220), (20, 2015143), (26, 1550110), (52, 775055), (65, 620044), (130, 310022), (260, 155011), (379, 106340), (409, 98540), (758, 53170), (818, 49270), (1516, 26585), (1636, 24635), (1895, 21268), (2045, 19708), (3790, 10634), (4090, 9854), (4927, 8180), (5317, 7580)]