85317040

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17483}}^1$

素因数の和:17557

約数の個数: 40

約数和(自身を含む): 201625488

約数和(自身を除く): 116308448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 17483, 34966, 69932, 87415, 139864, 174830, 279728, 349660, 699320, 1066463, 1398640, 2132926, 4265852, 5332315, 8531704, 10664630, 17063408, 21329260, 42658520, 85317040]

約数ペア:

[(1, 85317040), (2, 42658520), (4, 21329260), (5, 17063408), (8, 10664630), (10, 8531704), (16, 5332315), (20, 4265852), (40, 2132926), (61, 1398640), (80, 1066463), (122, 699320), (244, 349660), (305, 279728), (488, 174830), (610, 139864), (976, 87415), (1220, 69932), (2440, 34966), (4880, 17483)]