25325000

素因数分解:

$2^3\times 5^5\times {\mathrm{1013}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 59410260

約数和(自身を除く): 34085260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1013, 1250, 2026, 2500, 3125, 4052, 5000, 5065, 6250, 8104, 10130, 12500, 20260, 25000, 25325, 40520, 50650, 101300, 126625, 202600, 253250, 506500, 633125, 1013000, 1266250, 2532500, 3165625, 5065000, 6331250, 12662500, 25325000]

約数ペア:

[(1, 25325000), (2, 12662500), (4, 6331250), (5, 5065000), (8, 3165625), (10, 2532500), (20, 1266250), (25, 1013000), (40, 633125), (50, 506500), (100, 253250), (125, 202600), (200, 126625), (250, 101300), (500, 50650), (625, 40520), (1000, 25325), (1013, 25000), (1250, 20260), (2026, 12500), (2500, 10130), (3125, 8104), (4052, 6250), (5000, 5065)]