81943850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1895

約数の個数: 48

約数和(自身を含む): 162846720

約数和(自身を除く): 80902870

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 145, 155, 290, 310, 725, 775, 899, 1450, 1550, 1798, 1823, 3646, 4495, 8990, 9115, 18230, 22475, 44950, 45575, 52867, 56513, 91150, 105734, 113026, 264335, 282565, 528670, 565130, 1321675, 1412825, 1638877, 2643350, 2825650, 3277754, 8194385, 16388770, 40971925, 81943850]

約数ペア:

[(1, 81943850), (2, 40971925), (5, 16388770), (10, 8194385), (25, 3277754), (29, 2825650), (31, 2643350), (50, 1638877), (58, 1412825), (62, 1321675), (145, 565130), (155, 528670), (290, 282565), (310, 264335), (725, 113026), (775, 105734), (899, 91150), (1450, 56513), (1550, 52867), (1798, 45575), (1823, 44950), (3646, 22475), (4495, 18230), (8990, 9115)]