65820320

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4241}}^1$

素因数の和:4353

約数の個数: 48

約数和(自身を含む): 157140648

約数和(自身を除く): 91320328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 4241, 7760, 8482, 15520, 16964, 21205, 33928, 42410, 67856, 84820, 135712, 169640, 339280, 411377, 678560, 822754, 1645508, 2056885, 3291016, 4113770, 6582032, 8227540, 13164064, 16455080, 32910160, 65820320]

約数ペア:

[(1, 65820320), (2, 32910160), (4, 16455080), (5, 13164064), (8, 8227540), (10, 6582032), (16, 4113770), (20, 3291016), (32, 2056885), (40, 1645508), (80, 822754), (97, 678560), (160, 411377), (194, 339280), (388, 169640), (485, 135712), (776, 84820), (970, 67856), (1552, 42410), (1940, 33928), (3104, 21205), (3880, 16964), (4241, 15520), (7760, 8482)]