8345779840

素因数分解:

$2^7\times 5^1\times {\mathrm{13040281}}^1$

素因数の和:13040300

約数の個数: 32

約数和(自身を含む): 19951631460

約数和(自身を除く): 11605851620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13040281, 26080562, 52161124, 65201405, 104322248, 130402810, 208644496, 260805620, 417288992, 521611240, 834577984, 1043222480, 1669155968, 2086444960, 4172889920, 8345779840]

約数ペア:

[(1, 8345779840), (2, 4172889920), (4, 2086444960), (5, 1669155968), (8, 1043222480), (10, 834577984), (16, 521611240), (20, 417288992), (32, 260805620), (40, 208644496), (64, 130402810), (80, 104322248), (128, 65201405), (160, 52161124), (320, 26080562), (640, 13040281)]