1992680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 4631040

約数和(自身を除く): 2638360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1607, 3214, 6428, 8035, 12856, 16070, 32140, 49817, 64280, 99634, 199268, 249085, 398536, 498170, 996340, 1992680]

約数ペア:

[(1, 1992680), (2, 996340), (4, 498170), (5, 398536), (8, 249085), (10, 199268), (20, 99634), (31, 64280), (40, 49817), (62, 32140), (124, 16070), (155, 12856), (248, 8035), (310, 6428), (620, 3214), (1240, 1607)]