1301478040

素因数分解:

$2^3\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{29339}}^1$

素因数の和:30459

約数の個数: 32

約数和(自身を含む): 2931066000

約数和(自身を除く): 1629587960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1109, 2218, 4436, 5545, 8872, 11090, 22180, 29339, 44360, 58678, 117356, 146695, 234712, 293390, 586780, 1173560, 32536951, 65073902, 130147804, 162684755, 260295608, 325369510, 650739020, 1301478040]

約数ペア:

[(1, 1301478040), (2, 650739020), (4, 325369510), (5, 260295608), (8, 162684755), (10, 130147804), (20, 65073902), (40, 32536951), (1109, 1173560), (2218, 586780), (4436, 293390), (5545, 234712), (8872, 146695), (11090, 117356), (22180, 58678), (29339, 44360)]