48990320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10039}}^1$

素因数の和:10113

約数の個数: 40

約数和(自身を含む): 115781280

約数和(自身を除く): 66790960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 10039, 20078, 40156, 50195, 80312, 100390, 160624, 200780, 401560, 612379, 803120, 1224758, 2449516, 3061895, 4899032, 6123790, 9798064, 12247580, 24495160, 48990320]

約数ペア:

[(1, 48990320), (2, 24495160), (4, 12247580), (5, 9798064), (8, 6123790), (10, 4899032), (16, 3061895), (20, 2449516), (40, 1224758), (61, 803120), (80, 612379), (122, 401560), (244, 200780), (305, 160624), (488, 100390), (610, 80312), (976, 50195), (1220, 40156), (2440, 20078), (4880, 10039)]