203420480

素因数分解:

$2^6\times 5^1\times {\mathrm{635689}}^1$

素因数の和:635706

約数の個数: 28

約数和(自身を含む): 484395780

約数和(自身を除く): 280975300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 635689, 1271378, 2542756, 3178445, 5085512, 6356890, 10171024, 12713780, 20342048, 25427560, 40684096, 50855120, 101710240, 203420480]

約数ペア:

[(1, 203420480), (2, 101710240), (4, 50855120), (5, 40684096), (8, 25427560), (10, 20342048), (16, 12713780), (20, 10171024), (32, 6356890), (40, 5085512), (64, 3178445), (80, 2542756), (160, 1271378), (320, 635689)]