51377020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 110835648

約数和(自身を除く): 59458628

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 142, 194, 284, 355, 373, 388, 485, 710, 746, 970, 1420, 1492, 1865, 1940, 3730, 6887, 7460, 13774, 26483, 27548, 34435, 36181, 52966, 68870, 72362, 105932, 132415, 137740, 144724, 180905, 264830, 361810, 529660, 723620, 2568851, 5137702, 10275404, 12844255, 25688510, 51377020]

約数ペア:

[(1, 51377020), (2, 25688510), (4, 12844255), (5, 10275404), (10, 5137702), (20, 2568851), (71, 723620), (97, 529660), (142, 361810), (194, 264830), (284, 180905), (355, 144724), (373, 137740), (388, 132415), (485, 105932), (710, 72362), (746, 68870), (970, 52966), (1420, 36181), (1492, 34435), (1865, 27548), (1940, 26483), (3730, 13774), (6887, 7460)]