201053420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127249}}^1$

素因数の和:127337

約数の個数: 24

約数和(自身を含む): 427560000

約数和(自身を除く): 226506580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 127249, 254498, 508996, 636245, 1272490, 2544980, 10052671, 20105342, 40210684, 50263355, 100526710, 201053420]

約数ペア:

[(1, 201053420), (2, 100526710), (4, 50263355), (5, 40210684), (10, 20105342), (20, 10052671), (79, 2544980), (158, 1272490), (316, 636245), (395, 508996), (790, 254498), (1580, 127249)]