4294420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 9878400

約数和(自身を除く): 5583980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 199, 260, 332, 398, 415, 796, 830, 995, 1079, 1660, 1990, 2158, 2587, 3980, 4316, 5174, 5395, 10348, 10790, 12935, 16517, 21580, 25870, 33034, 51740, 66068, 82585, 165170, 214721, 330340, 429442, 858884, 1073605, 2147210, 4294420]

約数ペア:

[(1, 4294420), (2, 2147210), (4, 1073605), (5, 858884), (10, 429442), (13, 330340), (20, 214721), (26, 165170), (52, 82585), (65, 66068), (83, 51740), (130, 33034), (166, 25870), (199, 21580), (260, 16517), (332, 12935), (398, 10790), (415, 10348), (796, 5395), (830, 5174), (995, 4316), (1079, 3980), (1660, 2587), (1990, 2158)]