87853160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53569}}^1$

素因数の和:53621

約数の個数: 32

約数和(自身を含む): 202494600

約数和(自身を除く): 114641440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 53569, 107138, 214276, 267845, 428552, 535690, 1071380, 2142760, 2196329, 4392658, 8785316, 10981645, 17570632, 21963290, 43926580, 87853160]

約数ペア:

[(1, 87853160), (2, 43926580), (4, 21963290), (5, 17570632), (8, 10981645), (10, 8785316), (20, 4392658), (40, 2196329), (41, 2142760), (82, 1071380), (164, 535690), (205, 428552), (328, 267845), (410, 214276), (820, 107138), (1640, 53569)]