40480336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10243}}^1$

素因数の和:10283

約数の個数: 40

約数和(自身を含む): 88917920

約数和(自身を除く): 48437584

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 10243, 20486, 40972, 81944, 133159, 163888, 194617, 266318, 389234, 532636, 778468, 1065272, 1556936, 2130544, 2530021, 3113872, 5060042, 10120084, 20240168, 40480336]

約数ペア:

[(1, 40480336), (2, 20240168), (4, 10120084), (8, 5060042), (13, 3113872), (16, 2530021), (19, 2130544), (26, 1556936), (38, 1065272), (52, 778468), (76, 532636), (104, 389234), (152, 266318), (208, 194617), (247, 163888), (304, 133159), (494, 81944), (988, 40972), (1976, 20486), (3952, 10243)]