64060460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 137712960

約数和(自身を除く): 73652500

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 197, 229, 284, 355, 394, 458, 710, 788, 916, 985, 1145, 1420, 1970, 2290, 3940, 4580, 13987, 16259, 27974, 32518, 45113, 55948, 65036, 69935, 81295, 90226, 139870, 162590, 180452, 225565, 279740, 325180, 451130, 902260, 3203023, 6406046, 12812092, 16015115, 32030230, 64060460]

約数ペア:

[(1, 64060460), (2, 32030230), (4, 16015115), (5, 12812092), (10, 6406046), (20, 3203023), (71, 902260), (142, 451130), (197, 325180), (229, 279740), (284, 225565), (355, 180452), (394, 162590), (458, 139870), (710, 90226), (788, 81295), (916, 69935), (985, 65036), (1145, 55948), (1420, 45113), (1970, 32518), (2290, 27974), (3940, 16259), (4580, 13987)]