16181960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 39366000

約数和(自身を除く): 23184040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 449, 530, 680, 898, 901, 1060, 1796, 1802, 2120, 2245, 3592, 3604, 4490, 4505, 7208, 7633, 8980, 9010, 15266, 17960, 18020, 23797, 30532, 36040, 38165, 47594, 61064, 76330, 95188, 118985, 152660, 190376, 237970, 305320, 404549, 475940, 809098, 951880, 1618196, 2022745, 3236392, 4045490, 8090980, 16181960]

約数ペア:

[(1, 16181960), (2, 8090980), (4, 4045490), (5, 3236392), (8, 2022745), (10, 1618196), (17, 951880), (20, 809098), (34, 475940), (40, 404549), (53, 305320), (68, 237970), (85, 190376), (106, 152660), (136, 118985), (170, 95188), (212, 76330), (265, 61064), (340, 47594), (424, 38165), (449, 36040), (530, 30532), (680, 23797), (898, 18020), (901, 17960), (1060, 15266), (1796, 9010), (1802, 8980), (2120, 7633), (2245, 7208), (3592, 4505), (3604, 4490)]