77242240

素因数分解:

$2^7\times 5^1\times {\mathrm{120691}}^1$

素因数の和:120710

約数の個数: 32

約数和(自身を含む): 184658760

約数和(自身を除く): 107416520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 120691, 241382, 482764, 603455, 965528, 1206910, 1931056, 2413820, 3862112, 4827640, 7724224, 9655280, 15448448, 19310560, 38621120, 77242240]

約数ペア:

[(1, 77242240), (2, 38621120), (4, 19310560), (5, 15448448), (8, 9655280), (10, 7724224), (16, 4827640), (20, 3862112), (32, 2413820), (40, 1931056), (64, 1206910), (80, 965528), (128, 603455), (160, 482764), (320, 241382), (640, 120691)]