80391160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49019}}^1$

素因数の和:49071

約数の個数: 32

約数和(自身を含む): 185295600

約数和(自身を除く): 104904440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 49019, 98038, 196076, 245095, 392152, 490190, 980380, 1960760, 2009779, 4019558, 8039116, 10048895, 16078232, 20097790, 40195580, 80391160]

約数ペア:

[(1, 80391160), (2, 40195580), (4, 20097790), (5, 16078232), (8, 10048895), (10, 8039116), (20, 4019558), (40, 2009779), (41, 1960760), (82, 980380), (164, 490190), (205, 392152), (328, 245095), (410, 196076), (820, 98038), (1640, 49019)]