258855680

素因数分解:

$2^8\times 5^1\times {\mathrm{202231}}^1$

素因数の和:202252

約数の個数: 36

約数和(自身を含む): 620043312

約数和(自身を除く): 361187632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 202231, 404462, 808924, 1011155, 1617848, 2022310, 3235696, 4044620, 6471392, 8089240, 12942784, 16178480, 25885568, 32356960, 51771136, 64713920, 129427840, 258855680]

約数ペア:

[(1, 258855680), (2, 129427840), (4, 64713920), (5, 51771136), (8, 32356960), (10, 25885568), (16, 16178480), (20, 12942784), (32, 8089240), (40, 6471392), (64, 4044620), (80, 3235696), (128, 2022310), (160, 1617848), (256, 1011155), (320, 808924), (640, 404462), (1280, 202231)]