9681640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12739}}^1$

素因数の和:12769

約数の個数: 32

約数和(自身を含む): 22932000

約数和(自身を除く): 13250360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 12739, 25478, 50956, 63695, 101912, 127390, 242041, 254780, 484082, 509560, 968164, 1210205, 1936328, 2420410, 4840820, 9681640]

約数ペア:

[(1, 9681640), (2, 4840820), (4, 2420410), (5, 1936328), (8, 1210205), (10, 968164), (19, 509560), (20, 484082), (38, 254780), (40, 242041), (76, 127390), (95, 101912), (152, 63695), (190, 50956), (380, 25478), (760, 12739)]