25427740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7523}}^1$

素因数の和:7558

約数の個数: 36

約数和(自身を含む): 57829464

約数和(自身を除く): 32401724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 7523, 15046, 30092, 37615, 75230, 97799, 150460, 195598, 391196, 488995, 977990, 1271387, 1955980, 2542774, 5085548, 6356935, 12713870, 25427740]

約数ペア:

[(1, 25427740), (2, 12713870), (4, 6356935), (5, 5085548), (10, 2542774), (13, 1955980), (20, 1271387), (26, 977990), (52, 488995), (65, 391196), (130, 195598), (169, 150460), (260, 97799), (338, 75230), (676, 37615), (845, 30092), (1690, 15046), (3380, 7523)]