4243840

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 10710000

約数和(自身を除く): 6466160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 349, 380, 608, 640, 698, 760, 1216, 1396, 1520, 1745, 2432, 2792, 3040, 3490, 5584, 6080, 6631, 6980, 11168, 12160, 13262, 13960, 22336, 26524, 27920, 33155, 44672, 53048, 55840, 66310, 106096, 111680, 132620, 212192, 223360, 265240, 424384, 530480, 848768, 1060960, 2121920, 4243840]

約数ペア:

[(1, 4243840), (2, 2121920), (4, 1060960), (5, 848768), (8, 530480), (10, 424384), (16, 265240), (19, 223360), (20, 212192), (32, 132620), (38, 111680), (40, 106096), (64, 66310), (76, 55840), (80, 53048), (95, 44672), (128, 33155), (152, 27920), (160, 26524), (190, 22336), (304, 13960), (320, 13262), (349, 12160), (380, 11168), (608, 6980), (640, 6631), (698, 6080), (760, 5584), (1216, 3490), (1396, 3040), (1520, 2792), (1745, 2432)]