80457220840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49059281}}^1$

素因数の和:49059333

約数の個数: 32

約数和(自身を含む): 185444085960

約数和(自身を除く): 104986865120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 49059281, 98118562, 196237124, 245296405, 392474248, 490592810, 981185620, 1962371240, 2011430521, 4022861042, 8045722084, 10057152605, 16091444168, 20114305210, 40228610420, 80457220840]

約数ペア:

[(1, 80457220840), (2, 40228610420), (4, 20114305210), (5, 16091444168), (8, 10057152605), (10, 8045722084), (20, 4022861042), (40, 2011430521), (41, 1962371240), (82, 981185620), (164, 490592810), (205, 392474248), (328, 245296405), (410, 196237124), (820, 98118562), (1640, 49059281)]