40666265

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 12556135

約数列:

[1, 5, 29, 31, 83, 109, 145, 155, 415, 545, 899, 2407, 2573, 3161, 3379, 4495, 9047, 12035, 12865, 15805, 16895, 45235, 74617, 97991, 262363, 280457, 373085, 489955, 1311815, 1402285, 8133253, 40666265]

約数ペア:

[(1, 40666265), (5, 8133253), (29, 1402285), (31, 1311815), (83, 489955), (109, 373085), (145, 280457), (155, 262363), (415, 97991), (545, 74617), (899, 45235), (2407, 16895), (2573, 15805), (3161, 12865), (3379, 12035), (4495, 9047)]