90240845

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 123586560

約数和(自身を除く): 33345715

約数列:

[1, 5, 17, 23, 31, 85, 115, 155, 391, 527, 713, 1489, 1955, 2635, 3565, 7445, 12121, 25313, 34247, 46159, 60605, 126565, 171235, 230795, 582199, 784703, 1061657, 2910995, 3923515, 5308285, 18048169, 90240845]

約数ペア:

[(1, 90240845), (5, 18048169), (17, 5308285), (23, 3923515), (31, 2910995), (85, 1061657), (115, 784703), (155, 582199), (391, 230795), (527, 171235), (713, 126565), (1489, 60605), (1955, 46159), (2635, 34247), (3565, 25313), (7445, 12121)]