25194500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{1229}}^1$

素因数の和:1289

約数の個数: 48

約数和(自身を含む): 56412720

約数和(自身を除く): 31218220

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 820, 1025, 1229, 2050, 2458, 4100, 4916, 5125, 6145, 10250, 12290, 20500, 24580, 30725, 50389, 61450, 100778, 122900, 153625, 201556, 251945, 307250, 503890, 614500, 1007780, 1259725, 2519450, 5038900, 6298625, 12597250, 25194500]

約数ペア:

[(1, 25194500), (2, 12597250), (4, 6298625), (5, 5038900), (10, 2519450), (20, 1259725), (25, 1007780), (41, 614500), (50, 503890), (82, 307250), (100, 251945), (125, 201556), (164, 153625), (205, 122900), (250, 100778), (410, 61450), (500, 50389), (820, 30725), (1025, 24580), (1229, 20500), (2050, 12290), (2458, 10250), (4100, 6145), (4916, 5125)]