164190640

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^1\times {\mathrm{3607}}^1$

素因数の和:4189

約数の個数: 40

約数和(自身を含む): 382520160

約数和(自身を除く): 218329520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 1138, 2276, 2845, 3607, 4552, 5690, 7214, 9104, 11380, 14428, 18035, 22760, 28856, 36070, 45520, 57712, 72140, 144280, 288560, 2052383, 4104766, 8209532, 10261915, 16419064, 20523830, 32838128, 41047660, 82095320, 164190640]

約数ペア:

[(1, 164190640), (2, 82095320), (4, 41047660), (5, 32838128), (8, 20523830), (10, 16419064), (16, 10261915), (20, 8209532), (40, 4104766), (80, 2052383), (569, 288560), (1138, 144280), (2276, 72140), (2845, 57712), (3607, 45520), (4552, 36070), (5690, 28856), (7214, 22760), (9104, 18035), (11380, 14428)]