8199940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1583}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 20224512

約数和(自身を除く): 12024572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 1583, 2590, 3166, 5180, 6332, 7915, 11081, 15830, 22162, 31660, 44324, 55405, 58571, 110810, 117142, 221620, 234284, 292855, 409997, 585710, 819994, 1171420, 1639988, 2049985, 4099970, 8199940]

約数ペア:

[(1, 8199940), (2, 4099970), (4, 2049985), (5, 1639988), (7, 1171420), (10, 819994), (14, 585710), (20, 409997), (28, 292855), (35, 234284), (37, 221620), (70, 117142), (74, 110810), (140, 58571), (148, 55405), (185, 44324), (259, 31660), (370, 22162), (518, 15830), (740, 11081), (1036, 7915), (1295, 6332), (1583, 5180), (2590, 3166)]