64732480

素因数分解:

$2^6\times 5^1\times {\mathrm{202289}}^1$

素因数の和:202306

約数の個数: 28

約数和(自身を含む): 154144980

約数和(自身を除く): 89412500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 202289, 404578, 809156, 1011445, 1618312, 2022890, 3236624, 4045780, 6473248, 8091560, 12946496, 16183120, 32366240, 64732480]

約数ペア:

[(1, 64732480), (2, 32366240), (4, 16183120), (5, 12946496), (8, 8091560), (10, 6473248), (16, 4045780), (20, 3236624), (32, 2022890), (40, 1618312), (64, 1011445), (80, 809156), (160, 404578), (320, 202289)]