31619900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1871}}^1$

素因数の和:1911

約数の個数: 54

約数和(自身を含む): 74338992

約数和(自身を除く): 42719092

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 650, 676, 845, 1300, 1690, 1871, 3380, 3742, 4225, 7484, 8450, 9355, 16900, 18710, 24323, 37420, 46775, 48646, 93550, 97292, 121615, 187100, 243230, 316199, 486460, 608075, 632398, 1216150, 1264796, 1580995, 2432300, 3161990, 6323980, 7904975, 15809950, 31619900]

約数ペア:

[(1, 31619900), (2, 15809950), (4, 7904975), (5, 6323980), (10, 3161990), (13, 2432300), (20, 1580995), (25, 1264796), (26, 1216150), (50, 632398), (52, 608075), (65, 486460), (100, 316199), (130, 243230), (169, 187100), (260, 121615), (325, 97292), (338, 93550), (650, 48646), (676, 46775), (845, 37420), (1300, 24323), (1690, 18710), (1871, 16900), (3380, 9355), (3742, 8450), (4225, 7484)]