66263440

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3617}}^1$

素因数の和:3859

約数の個数: 40

約数和(自身を含む): 154778040

約数和(自身を除く): 88514600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3617, 3664, 4580, 7234, 9160, 14468, 18085, 18320, 28936, 36170, 57872, 72340, 144680, 289360, 828293, 1656586, 3313172, 4141465, 6626344, 8282930, 13252688, 16565860, 33131720, 66263440]

約数ペア:

[(1, 66263440), (2, 33131720), (4, 16565860), (5, 13252688), (8, 8282930), (10, 6626344), (16, 4141465), (20, 3313172), (40, 1656586), (80, 828293), (229, 289360), (458, 144680), (916, 72340), (1145, 57872), (1832, 36170), (2290, 28936), (3617, 18320), (3664, 18085), (4580, 14468), (7234, 9160)]