40642984

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{163883}}^1$

素因数の和:163920

約数の個数: 16

約数和(自身を含む): 78664320

約数和(自身を除く): 38021336

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 163883, 327766, 655532, 1311064, 5080373, 10160746, 20321492, 40642984]

約数ペア:

[(1, 40642984), (2, 20321492), (4, 10160746), (8, 5080373), (31, 1311064), (62, 655532), (124, 327766), (248, 163883)]