66707980

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{7703}}^1$

素因数の和:8145

約数の個数: 24

約数和(自身を含む): 140428512

約数和(自身を除く): 73720532

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 4330, 7703, 8660, 15406, 30812, 38515, 77030, 154060, 3335399, 6670798, 13341596, 16676995, 33353990, 66707980]

約数ペア:

[(1, 66707980), (2, 33353990), (4, 16676995), (5, 13341596), (10, 6670798), (20, 3335399), (433, 154060), (866, 77030), (1732, 38515), (2165, 30812), (4330, 15406), (7703, 8660)]