69322840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28411}}^1$

素因数の和:28483

約数の個数: 32

約数和(自身を含む): 158538960

約数和(自身を除く): 89216120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 28411, 56822, 113644, 142055, 227288, 284110, 568220, 1136440, 1733071, 3466142, 6932284, 8665355, 13864568, 17330710, 34661420, 69322840]

約数ペア:

[(1, 69322840), (2, 34661420), (4, 17330710), (5, 13864568), (8, 8665355), (10, 6932284), (20, 3466142), (40, 1733071), (61, 1136440), (122, 568220), (244, 284110), (305, 227288), (488, 142055), (610, 113644), (1220, 56822), (2440, 28411)]