72641560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{95581}}^1$

素因数の和:95611

約数の個数: 32

約数和(自身を含む): 172047600

約数和(自身を除く): 99406040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 95581, 191162, 382324, 477905, 764648, 955810, 1816039, 1911620, 3632078, 3823240, 7264156, 9080195, 14528312, 18160390, 36320780, 72641560]

約数ペア:

[(1, 72641560), (2, 36320780), (4, 18160390), (5, 14528312), (8, 9080195), (10, 7264156), (19, 3823240), (20, 3632078), (38, 1911620), (40, 1816039), (76, 955810), (95, 764648), (152, 477905), (190, 382324), (380, 191162), (760, 95581)]