40531985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 54698112

約数和(自身を除く): 14166127

約数列:

[1, 5, 13, 41, 65, 67, 205, 227, 335, 533, 871, 1135, 2665, 2747, 2951, 4355, 9307, 13735, 14755, 15209, 35711, 46535, 76045, 120991, 178555, 197717, 604955, 623569, 988585, 3117845, 8106397, 40531985]

約数ペア:

[(1, 40531985), (5, 8106397), (13, 3117845), (41, 988585), (65, 623569), (67, 604955), (205, 197717), (227, 178555), (335, 120991), (533, 76045), (871, 46535), (1135, 35711), (2665, 15209), (2747, 14755), (2951, 13735), (4355, 9307)]