79040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:49

約数の個数: 56

約数和(自身を含む): 213360

約数和(自身を除く): 134320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 760, 832, 988, 1040, 1216, 1235, 1520, 1976, 2080, 2470, 3040, 3952, 4160, 4940, 6080, 7904, 9880, 15808, 19760, 39520, 79040]

約数ペア:

[(1, 79040), (2, 39520), (4, 19760), (5, 15808), (8, 9880), (10, 7904), (13, 6080), (16, 4940), (19, 4160), (20, 3952), (26, 3040), (32, 2470), (38, 2080), (40, 1976), (52, 1520), (64, 1235), (65, 1216), (76, 1040), (80, 988), (95, 832), (104, 760), (130, 608), (152, 520), (160, 494), (190, 416), (208, 380), (247, 320), (260, 304)]