1328650000

素因数分解:

$2^4\times 5^5\times {\mathrm{26573}}^1$

素因数の和:26606

約数の個数: 60

約数和(自身を含む): 3217739364

約数和(自身を除く): 1889089364

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, 3125, 5000, 6250, 10000, 12500, 25000, 26573, 50000, 53146, 106292, 132865, 212584, 265730, 425168, 531460, 664325, 1062920, 1328650, 2125840, 2657300, 3321625, 5314600, 6643250, 10629200, 13286500, 16608125, 26573000, 33216250, 53146000, 66432500, 83040625, 132865000, 166081250, 265730000, 332162500, 664325000, 1328650000]

約数ペア:

[(1, 1328650000), (2, 664325000), (4, 332162500), (5, 265730000), (8, 166081250), (10, 132865000), (16, 83040625), (20, 66432500), (25, 53146000), (40, 33216250), (50, 26573000), (80, 16608125), (100, 13286500), (125, 10629200), (200, 6643250), (250, 5314600), (400, 3321625), (500, 2657300), (625, 2125840), (1000, 1328650), (1250, 1062920), (2000, 664325), (2500, 531460), (3125, 425168), (5000, 265730), (6250, 212584), (10000, 132865), (12500, 106292), (25000, 53146), (26573, 50000)]