31954960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21023}}^1$

素因数の和:21055

約数の個数: 40

約数和(自身を含む): 78209280

約数和(自身を除く): 46254320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 21023, 42046, 84092, 105115, 168184, 210230, 336368, 399437, 420460, 798874, 840920, 1597748, 1681840, 1997185, 3195496, 3994370, 6390992, 7988740, 15977480, 31954960]

約数ペア:

[(1, 31954960), (2, 15977480), (4, 7988740), (5, 6390992), (8, 3994370), (10, 3195496), (16, 1997185), (19, 1681840), (20, 1597748), (38, 840920), (40, 798874), (76, 420460), (80, 399437), (95, 336368), (152, 210230), (190, 168184), (304, 105115), (380, 84092), (760, 42046), (1520, 21023)]