202130980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127931}}^1$

素因数の和:128019

約数の個数: 24

約数和(自身を含む): 429851520

約数和(自身を除く): 227720540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 127931, 255862, 511724, 639655, 1279310, 2558620, 10106549, 20213098, 40426196, 50532745, 101065490, 202130980]

約数ペア:

[(1, 202130980), (2, 101065490), (4, 50532745), (5, 40426196), (10, 20213098), (20, 10106549), (79, 2558620), (158, 1279310), (316, 639655), (395, 511724), (790, 255862), (1580, 127931)]