67616680

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{5107}}^1$

素因数の和:5449

約数の個数: 32

約数和(自身を含む): 152627040

約数和(自身を除く): 85010360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 5107, 6620, 10214, 13240, 20428, 25535, 40856, 51070, 102140, 204280, 1690417, 3380834, 6761668, 8452085, 13523336, 16904170, 33808340, 67616680]

約数ペア:

[(1, 67616680), (2, 33808340), (4, 16904170), (5, 13523336), (8, 8452085), (10, 6761668), (20, 3380834), (40, 1690417), (331, 204280), (662, 102140), (1324, 51070), (1655, 40856), (2648, 25535), (3310, 20428), (5107, 13240), (6620, 10214)]