4505080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{67}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 10544760

約数和(自身を除く): 6039680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 410, 536, 670, 820, 1340, 1640, 1681, 2680, 2747, 3362, 5494, 6724, 8405, 10988, 13448, 13735, 16810, 21976, 27470, 33620, 54940, 67240, 109880, 112627, 225254, 450508, 563135, 901016, 1126270, 2252540, 4505080]

約数ペア:

[(1, 4505080), (2, 2252540), (4, 1126270), (5, 901016), (8, 563135), (10, 450508), (20, 225254), (40, 112627), (41, 109880), (67, 67240), (82, 54940), (134, 33620), (164, 27470), (205, 21976), (268, 16810), (328, 13735), (335, 13448), (410, 10988), (536, 8405), (670, 6724), (820, 5494), (1340, 3362), (1640, 2747), (1681, 2680)]