31980580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1879}}^1$

素因数の和:1948

約数の個数: 48

約数和(自身を含む): 72011520

約数和(自身を除く): 40030940

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 1879, 3404, 3758, 4255, 7516, 8510, 9395, 17020, 18790, 37580, 43217, 69523, 86434, 139046, 172868, 216085, 278092, 347615, 432170, 695230, 864340, 1390460, 1599029, 3198058, 6396116, 7995145, 15990290, 31980580]

約数ペア:

[(1, 31980580), (2, 15990290), (4, 7995145), (5, 6396116), (10, 3198058), (20, 1599029), (23, 1390460), (37, 864340), (46, 695230), (74, 432170), (92, 347615), (115, 278092), (148, 216085), (185, 172868), (230, 139046), (370, 86434), (460, 69523), (740, 43217), (851, 37580), (1702, 18790), (1879, 17020), (3404, 9395), (3758, 8510), (4255, 7516)]