40730440

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6247}}^1$

素因数の和:6421

約数の個数: 32

約数和(自身を含む): 92220480

約数和(自身を除く): 51490040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6247, 6520, 12494, 24988, 31235, 49976, 62470, 124940, 249880, 1018261, 2036522, 4073044, 5091305, 8146088, 10182610, 20365220, 40730440]

約数ペア:

[(1, 40730440), (2, 20365220), (4, 10182610), (5, 8146088), (8, 5091305), (10, 4073044), (20, 2036522), (40, 1018261), (163, 249880), (326, 124940), (652, 62470), (815, 49976), (1304, 31235), (1630, 24988), (3260, 12494), (6247, 6520)]