40065880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18899}}^1$

素因数の和:18963

約数の個数: 32

約数和(自身を含む): 91854000

約数和(自身を除く): 51788120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 18899, 37798, 75596, 94495, 151192, 188990, 377980, 755960, 1001647, 2003294, 4006588, 5008235, 8013176, 10016470, 20032940, 40065880]

約数ペア:

[(1, 40065880), (2, 20032940), (4, 10016470), (5, 8013176), (8, 5008235), (10, 4006588), (20, 2003294), (40, 1001647), (53, 755960), (106, 377980), (212, 188990), (265, 151192), (424, 94495), (530, 75596), (1060, 37798), (2120, 18899)]