83969720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 193752000

約数和(自身を除く): 109782280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 103, 178, 206, 229, 356, 412, 445, 458, 515, 712, 824, 890, 916, 1030, 1145, 1780, 1832, 2060, 2290, 3560, 4120, 4580, 9160, 9167, 18334, 20381, 23587, 36668, 40762, 45835, 47174, 73336, 81524, 91670, 94348, 101905, 117935, 163048, 183340, 188696, 203810, 235870, 366680, 407620, 471740, 815240, 943480, 2099243, 4198486, 8396972, 10496215, 16793944, 20992430, 41984860, 83969720]

約数ペア:

[(1, 83969720), (2, 41984860), (4, 20992430), (5, 16793944), (8, 10496215), (10, 8396972), (20, 4198486), (40, 2099243), (89, 943480), (103, 815240), (178, 471740), (206, 407620), (229, 366680), (356, 235870), (412, 203810), (445, 188696), (458, 183340), (515, 163048), (712, 117935), (824, 101905), (890, 94348), (916, 91670), (1030, 81524), (1145, 73336), (1780, 47174), (1832, 45835), (2060, 40762), (2290, 36668), (3560, 23587), (4120, 20381), (4580, 18334), (9160, 9167)]