31640080

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5903}}^1$

素因数の和:5983

約数の個数: 40

約数和(自身を含む): 74673792

約数和(自身を除く): 43033712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 5903, 11806, 23612, 29515, 47224, 59030, 94448, 118060, 236120, 395501, 472240, 791002, 1582004, 1977505, 3164008, 3955010, 6328016, 7910020, 15820040, 31640080]

約数ペア:

[(1, 31640080), (2, 15820040), (4, 7910020), (5, 6328016), (8, 3955010), (10, 3164008), (16, 1977505), (20, 1582004), (40, 791002), (67, 472240), (80, 395501), (134, 236120), (268, 118060), (335, 94448), (536, 59030), (670, 47224), (1072, 29515), (1340, 23612), (2680, 11806), (5360, 5903)]