39520

素因数分解:

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

素因数の和:47

約数の個数: 48

約数和(自身を含む): 105840

約数和(自身を除く): 66320

約数列:

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

約数ペア:

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