25521250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{1201}}^1$

素因数の和:1240

約数の個数: 40

約数和(自身を含む): 50693148

約数和(自身を除く): 25171898

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 625, 850, 1201, 1250, 2125, 2402, 4250, 6005, 10625, 12010, 20417, 21250, 30025, 40834, 60050, 102085, 150125, 204170, 300250, 510425, 750625, 1020850, 1501250, 2552125, 5104250, 12760625, 25521250]

約数ペア:

[(1, 25521250), (2, 12760625), (5, 5104250), (10, 2552125), (17, 1501250), (25, 1020850), (34, 750625), (50, 510425), (85, 300250), (125, 204170), (170, 150125), (250, 102085), (425, 60050), (625, 40834), (850, 30025), (1201, 21250), (1250, 20417), (2125, 12010), (2402, 10625), (4250, 6005)]