5180720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2089}}^1$

素因数の和:2133

約数の個数: 40

約数和(自身を含む): 12439680

約数和(自身を除く): 7258960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2089, 2480, 4178, 8356, 10445, 16712, 20890, 33424, 41780, 64759, 83560, 129518, 167120, 259036, 323795, 518072, 647590, 1036144, 1295180, 2590360, 5180720]

約数ペア:

[(1, 5180720), (2, 2590360), (4, 1295180), (5, 1036144), (8, 647590), (10, 518072), (16, 323795), (20, 259036), (31, 167120), (40, 129518), (62, 83560), (80, 64759), (124, 41780), (155, 33424), (248, 20890), (310, 16712), (496, 10445), (620, 8356), (1240, 4178), (2089, 2480)]