85346320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17489}}^1$

素因数の和:17563

約数の個数: 40

約数和(自身を含む): 201694680

約数和(自身を除く): 116348360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 17489, 34978, 69956, 87445, 139912, 174890, 279824, 349780, 699560, 1066829, 1399120, 2133658, 4267316, 5334145, 8534632, 10668290, 17069264, 21336580, 42673160, 85346320]

約数ペア:

[(1, 85346320), (2, 42673160), (4, 21336580), (5, 17069264), (8, 10668290), (10, 8534632), (16, 5334145), (20, 4267316), (40, 2133658), (61, 1399120), (80, 1066829), (122, 699560), (244, 349780), (305, 279824), (488, 174890), (610, 139912), (976, 87445), (1220, 69956), (2440, 34978), (4880, 17489)]