127512080

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17909}}^1$

素因数の和:18011

約数の個数: 40

約数和(自身を含む): 299813400

約数和(自身を除く): 172301320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 17909, 35818, 71636, 89545, 143272, 179090, 286544, 358180, 716360, 1432720, 1593901, 3187802, 6375604, 7969505, 12751208, 15939010, 25502416, 31878020, 63756040, 127512080]

約数ペア:

[(1, 127512080), (2, 63756040), (4, 31878020), (5, 25502416), (8, 15939010), (10, 12751208), (16, 7969505), (20, 6375604), (40, 3187802), (80, 1593901), (89, 1432720), (178, 716360), (356, 358180), (445, 286544), (712, 179090), (890, 143272), (1424, 89545), (1780, 71636), (3560, 35818), (7120, 17909)]