40381775

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 60561600

約数和(自身を除く): 20179825

約数列:

[1, 5, 7, 25, 29, 35, 73, 109, 145, 175, 203, 365, 511, 545, 725, 763, 1015, 1825, 2117, 2555, 2725, 3161, 3815, 5075, 7957, 10585, 12775, 14819, 15805, 19075, 22127, 39785, 52925, 55699, 74095, 79025, 110635, 198925, 230753, 278495, 370475, 553175, 1153765, 1392475, 1615271, 5768825, 8076355, 40381775]

約数ペア:

[(1, 40381775), (5, 8076355), (7, 5768825), (25, 1615271), (29, 1392475), (35, 1153765), (73, 553175), (109, 370475), (145, 278495), (175, 230753), (203, 198925), (365, 110635), (511, 79025), (545, 74095), (725, 55699), (763, 52925), (1015, 39785), (1825, 22127), (2117, 19075), (2555, 15805), (2725, 14819), (3161, 12775), (3815, 10585), (5075, 7957)]