63909920

素因数分解:

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

素因数の和:21057

約数の個数: 48

約数和(自身を含む): 158941440

約数和(自身を除く): 95031520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 21023, 42046, 84092, 105115, 168184, 210230, 336368, 399437, 420460, 672736, 798874, 840920, 1597748, 1681840, 1997185, 3195496, 3363680, 3994370, 6390992, 7988740, 12781984, 15977480, 31954960, 63909920]

約数ペア:

[(1, 63909920), (2, 31954960), (4, 15977480), (5, 12781984), (8, 7988740), (10, 6390992), (16, 3994370), (19, 3363680), (20, 3195496), (32, 1997185), (38, 1681840), (40, 1597748), (76, 840920), (80, 798874), (95, 672736), (152, 420460), (160, 399437), (190, 336368), (304, 210230), (380, 168184), (608, 105115), (760, 84092), (1520, 42046), (3040, 21023)]