31114040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21023}}^1$

素因数の和:21071

約数の個数: 32

約数和(自身を含む): 71902080

約数和(自身を除く): 40788040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 21023, 42046, 84092, 105115, 168184, 210230, 420460, 777851, 840920, 1555702, 3111404, 3889255, 6222808, 7778510, 15557020, 31114040]

約数ペア:

[(1, 31114040), (2, 15557020), (4, 7778510), (5, 6222808), (8, 3889255), (10, 3111404), (20, 1555702), (37, 840920), (40, 777851), (74, 420460), (148, 210230), (185, 168184), (296, 105115), (370, 84092), (740, 42046), (1480, 21023)]