1601980

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{463}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 3390912

約数和(自身を除く): 1788932

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 463, 692, 865, 926, 1730, 1852, 2315, 3460, 4630, 9260, 80099, 160198, 320396, 400495, 800990, 1601980]

約数ペア:

[(1, 1601980), (2, 800990), (4, 400495), (5, 320396), (10, 160198), (20, 80099), (173, 9260), (346, 4630), (463, 3460), (692, 2315), (865, 1852), (926, 1730)]