13639640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6959}}^1$

素因数の和:6984

約数の個数: 48

約数和(自身を含む): 35704800

約数和(自身を除く): 22065160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6959, 13918, 27836, 34795, 48713, 55672, 69590, 97426, 139180, 194852, 243565, 278360, 340991, 389704, 487130, 681982, 974260, 1363964, 1704955, 1948520, 2727928, 3409910, 6819820, 13639640]

約数ペア:

[(1, 13639640), (2, 6819820), (4, 3409910), (5, 2727928), (7, 1948520), (8, 1704955), (10, 1363964), (14, 974260), (20, 681982), (28, 487130), (35, 389704), (40, 340991), (49, 278360), (56, 243565), (70, 194852), (98, 139180), (140, 97426), (196, 69590), (245, 55672), (280, 48713), (392, 34795), (490, 27836), (980, 13918), (1960, 6959)]