40869080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{643}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 105719040

約数和(自身を除く): 64849960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 280, 454, 643, 908, 1135, 1286, 1589, 1816, 2270, 2572, 3178, 3215, 4501, 4540, 5144, 6356, 6430, 7945, 9002, 9080, 12712, 12860, 15890, 18004, 22505, 25720, 31780, 36008, 45010, 63560, 90020, 145961, 180040, 291922, 583844, 729805, 1021727, 1167688, 1459610, 2043454, 2919220, 4086908, 5108635, 5838440, 8173816, 10217270, 20434540, 40869080]

約数ペア:

[(1, 40869080), (2, 20434540), (4, 10217270), (5, 8173816), (7, 5838440), (8, 5108635), (10, 4086908), (14, 2919220), (20, 2043454), (28, 1459610), (35, 1167688), (40, 1021727), (56, 729805), (70, 583844), (140, 291922), (227, 180040), (280, 145961), (454, 90020), (643, 63560), (908, 45010), (1135, 36008), (1286, 31780), (1589, 25720), (1816, 22505), (2270, 18004), (2572, 15890), (3178, 12860), (3215, 12712), (4501, 9080), (4540, 9002), (5144, 7945), (6356, 6430)]