72720080

素因数分解:

$2^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2437}}^1$

素因数の和:2823

約数の個数: 40

約数和(自身を含む): 169597032

約数和(自身を除く): 96876952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 373, 746, 1492, 1865, 2437, 2984, 3730, 4874, 5968, 7460, 9748, 12185, 14920, 19496, 24370, 29840, 38992, 48740, 97480, 194960, 909001, 1818002, 3636004, 4545005, 7272008, 9090010, 14544016, 18180020, 36360040, 72720080]

約数ペア:

[(1, 72720080), (2, 36360040), (4, 18180020), (5, 14544016), (8, 9090010), (10, 7272008), (16, 4545005), (20, 3636004), (40, 1818002), (80, 909001), (373, 194960), (746, 97480), (1492, 48740), (1865, 38992), (2437, 29840), (2984, 24370), (3730, 19496), (4874, 14920), (5968, 12185), (7460, 9748)]