164785960

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{23813}}^1$

素因数の和:23997

約数の個数: 32

約数和(自身を含む): 372927240

約数和(自身を除く): 208141280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 23813, 47626, 95252, 119065, 190504, 238130, 476260, 952520, 4119649, 8239298, 16478596, 20598245, 32957192, 41196490, 82392980, 164785960]

約数ペア:

[(1, 164785960), (2, 82392980), (4, 41196490), (5, 32957192), (8, 20598245), (10, 16478596), (20, 8239298), (40, 4119649), (173, 952520), (346, 476260), (692, 238130), (865, 190504), (1384, 119065), (1730, 95252), (3460, 47626), (6920, 23813)]