40984735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 56609280

約数和(自身を除く): 15624545

約数列:

[1, 5, 11, 23, 55, 115, 179, 181, 253, 895, 905, 1265, 1969, 1991, 4117, 4163, 9845, 9955, 20585, 20815, 32399, 45287, 45793, 161995, 226435, 228965, 356389, 745177, 1781945, 3725885, 8196947, 40984735]

約数ペア:

[(1, 40984735), (5, 8196947), (11, 3725885), (23, 1781945), (55, 745177), (115, 356389), (179, 228965), (181, 226435), (253, 161995), (895, 45793), (905, 45287), (1265, 32399), (1969, 20815), (1991, 20585), (4117, 9955), (4163, 9845)]