164793560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{111347}}^1$

素因数の和:111395

約数の個数: 32

約数和(自身を含む): 380810160

約数和(自身を除く): 216016600

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 111347, 222694, 445388, 556735, 890776, 1113470, 2226940, 4119839, 4453880, 8239678, 16479356, 20599195, 32958712, 41198390, 82396780, 164793560]

約数ペア:

[(1, 164793560), (2, 82396780), (4, 41198390), (5, 32958712), (8, 20599195), (10, 16479356), (20, 8239678), (37, 4453880), (40, 4119839), (74, 2226940), (148, 1113470), (185, 890776), (296, 556735), (370, 445388), (740, 222694), (1480, 111347)]