78731440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51797}}^1$

素因数の和:51829

約数の個数: 40

約数和(自身を含む): 192688560

約数和(自身を除く): 113957120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 51797, 103594, 207188, 258985, 414376, 517970, 828752, 984143, 1035940, 1968286, 2071880, 3936572, 4143760, 4920715, 7873144, 9841430, 15746288, 19682860, 39365720, 78731440]

約数ペア:

[(1, 78731440), (2, 39365720), (4, 19682860), (5, 15746288), (8, 9841430), (10, 7873144), (16, 4920715), (19, 4143760), (20, 3936572), (38, 2071880), (40, 1968286), (76, 1035940), (80, 984143), (95, 828752), (152, 517970), (190, 414376), (304, 258985), (380, 207188), (760, 103594), (1520, 51797)]