130701040

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{26783}}^1$

素因数の和:26857

約数の個数: 40

約数和(自身を含む): 308873088

約数和(自身を除く): 178172048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 26783, 53566, 107132, 133915, 214264, 267830, 428528, 535660, 1071320, 1633763, 2142640, 3267526, 6535052, 8168815, 13070104, 16337630, 26140208, 32675260, 65350520, 130701040]

約数ペア:

[(1, 130701040), (2, 65350520), (4, 32675260), (5, 26140208), (8, 16337630), (10, 13070104), (16, 8168815), (20, 6535052), (40, 3267526), (61, 2142640), (80, 1633763), (122, 1071320), (244, 535660), (305, 428528), (488, 267830), (610, 214264), (976, 133915), (1220, 107132), (2440, 53566), (4880, 26783)]