87825980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21011}}^1$

素因数の和:21050

約数の個数: 48

約数和(自身を含む): 211800960

約数和(自身を除く): 123974980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 21011, 42022, 84044, 105055, 210110, 231121, 399209, 420220, 462242, 798418, 924484, 1155605, 1596836, 1996045, 2311210, 3992090, 4391299, 4622420, 7984180, 8782598, 17565196, 21956495, 43912990, 87825980]

約数ペア:

[(1, 87825980), (2, 43912990), (4, 21956495), (5, 17565196), (10, 8782598), (11, 7984180), (19, 4622420), (20, 4391299), (22, 3992090), (38, 2311210), (44, 1996045), (55, 1596836), (76, 1155605), (95, 924484), (110, 798418), (190, 462242), (209, 420220), (220, 399209), (380, 231121), (418, 210110), (836, 105055), (1045, 84044), (2090, 42022), (4180, 21011)]