27970000

素因数分解:

$2^4\times 5^4\times {\mathrm{2797}}^1$

素因数の和:2825

約数の個数: 50

約数和(自身を含む): 67742378

約数和(自身を除く): 39772378

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 2797, 5000, 5594, 10000, 11188, 13985, 22376, 27970, 44752, 55940, 69925, 111880, 139850, 223760, 279700, 349625, 559400, 699250, 1118800, 1398500, 1748125, 2797000, 3496250, 5594000, 6992500, 13985000, 27970000]

約数ペア:

[(1, 27970000), (2, 13985000), (4, 6992500), (5, 5594000), (8, 3496250), (10, 2797000), (16, 1748125), (20, 1398500), (25, 1118800), (40, 699250), (50, 559400), (80, 349625), (100, 279700), (125, 223760), (200, 139850), (250, 111880), (400, 69925), (500, 55940), (625, 44752), (1000, 27970), (1250, 22376), (2000, 13985), (2500, 11188), (2797, 10000), (5000, 5594)]