42801880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1093}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 106336800

約数和(自身を除く): 63534920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1093, 1780, 1958, 2186, 3560, 3916, 4372, 4895, 5465, 7832, 8744, 9790, 10930, 12023, 19580, 21860, 24046, 39160, 43720, 48092, 60115, 96184, 97277, 120230, 194554, 240460, 389108, 480920, 486385, 778216, 972770, 1070047, 1945540, 2140094, 3891080, 4280188, 5350235, 8560376, 10700470, 21400940, 42801880]

約数ペア:

[(1, 42801880), (2, 21400940), (4, 10700470), (5, 8560376), (8, 5350235), (10, 4280188), (11, 3891080), (20, 2140094), (22, 1945540), (40, 1070047), (44, 972770), (55, 778216), (88, 486385), (89, 480920), (110, 389108), (178, 240460), (220, 194554), (356, 120230), (440, 97277), (445, 96184), (712, 60115), (890, 48092), (979, 43720), (1093, 39160), (1780, 24046), (1958, 21860), (2186, 19580), (3560, 12023), (3916, 10930), (4372, 9790), (4895, 8744), (5465, 7832)]