80557820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9433}}^1$

素因数の和:9510

約数の個数: 48

約数和(自身を含む): 196529088

約数和(自身を除く): 115971268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 9433, 18866, 37732, 47165, 66031, 94330, 132062, 188660, 264124, 330155, 575413, 660310, 1150826, 1320620, 2301652, 2877065, 4027891, 5754130, 8055782, 11508260, 16111564, 20139455, 40278910, 80557820]

約数ペア:

[(1, 80557820), (2, 40278910), (4, 20139455), (5, 16111564), (7, 11508260), (10, 8055782), (14, 5754130), (20, 4027891), (28, 2877065), (35, 2301652), (61, 1320620), (70, 1150826), (122, 660310), (140, 575413), (244, 330155), (305, 264124), (427, 188660), (610, 132062), (854, 94330), (1220, 66031), (1708, 47165), (2135, 37732), (4270, 18866), (8540, 9433)]