40071538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{17317}}^1$

素因数の和:17421

約数の個数: 16

約数和(自身を含む): 65462040

約数和(自身を除く): 25390502

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 17317, 34634, 225121, 450242, 1541213, 3082426, 20035769, 40071538]

約数ペア:

[(1, 40071538), (2, 20035769), (13, 3082426), (26, 1541213), (89, 450242), (178, 225121), (1157, 34634), (2314, 17317)]