40780245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2777}}^1$

素因数の和:2885

約数の個数: 32

約数和(自身を含む): 72005760

約数和(自身を除く): 31225515

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 165, 267, 445, 979, 1335, 2777, 2937, 4895, 8331, 13885, 14685, 30547, 41655, 91641, 152735, 247153, 458205, 741459, 1235765, 2718683, 3707295, 8156049, 13593415, 40780245]

約数ペア:

[(1, 40780245), (3, 13593415), (5, 8156049), (11, 3707295), (15, 2718683), (33, 1235765), (55, 741459), (89, 458205), (165, 247153), (267, 152735), (445, 91641), (979, 41655), (1335, 30547), (2777, 14685), (2937, 13885), (4895, 8331)]