789025640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{48947}}^1$

素因数の和:49002

約数の個数: 64

約数和(自身を含む): 1973583360

約数和(自身を除く): 1184557720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 48947, 97894, 195788, 244735, 391576, 489470, 636311, 978940, 1272622, 1517357, 1957880, 2545244, 3034714, 3181555, 5090488, 6069428, 6363110, 7586785, 12138856, 12726220, 15173570, 19725641, 25452440, 30347140, 39451282, 60694280, 78902564, 98628205, 157805128, 197256410, 394512820, 789025640]

約数ペア:

[(1, 789025640), (2, 394512820), (4, 197256410), (5, 157805128), (8, 98628205), (10, 78902564), (13, 60694280), (20, 39451282), (26, 30347140), (31, 25452440), (40, 19725641), (52, 15173570), (62, 12726220), (65, 12138856), (104, 7586785), (124, 6363110), (130, 6069428), (155, 5090488), (248, 3181555), (260, 3034714), (310, 2545244), (403, 1957880), (520, 1517357), (620, 1272622), (806, 978940), (1240, 636311), (1612, 489470), (2015, 391576), (3224, 244735), (4030, 195788), (8060, 97894), (16120, 48947)]