2001078903880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{54555041}}^1$

素因数の和:54555190

約数の個数: 64

約数和(自身を含む): 5184911191680

約数和(自身を除く): 3183832287800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3668, 4585, 5240, 7336, 9170, 18340, 36680, 54555041, 109110082, 218220164, 272775205, 381885287, 436440328, 545550410, 763770574, 1091100820, 1527541148, 1909426435, 2182201640, 3055082296, 3818852870, 7146710371, 7637705740, 14293420742, 15275411480, 28586841484, 35733551855, 50026972597, 57173682968, 71467103710, 100053945194, 142934207420, 200107890388, 250134862985, 285868414840, 400215780776, 500269725970, 1000539451940, 2001078903880]

約数ペア:

[(1, 2001078903880), (2, 1000539451940), (4, 500269725970), (5, 400215780776), (7, 285868414840), (8, 250134862985), (10, 200107890388), (14, 142934207420), (20, 100053945194), (28, 71467103710), (35, 57173682968), (40, 50026972597), (56, 35733551855), (70, 28586841484), (131, 15275411480), (140, 14293420742), (262, 7637705740), (280, 7146710371), (524, 3818852870), (655, 3055082296), (917, 2182201640), (1048, 1909426435), (1310, 1527541148), (1834, 1091100820), (2620, 763770574), (3668, 545550410), (4585, 436440328), (5240, 381885287), (7336, 272775205), (9170, 218220164), (18340, 109110082), (36680, 54555041)]