51372020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4421}}^1$

素因数の和:4520

約数の個数: 48

約数和(自身を含む): 124806528

約数和(自身を除く): 73434508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2905, 4421, 5810, 8842, 11620, 17684, 22105, 30947, 44210, 61894, 88420, 123788, 154735, 309470, 366943, 618940, 733886, 1467772, 1834715, 2568601, 3669430, 5137202, 7338860, 10274404, 12843005, 25686010, 51372020]

約数ペア:

[(1, 51372020), (2, 25686010), (4, 12843005), (5, 10274404), (7, 7338860), (10, 5137202), (14, 3669430), (20, 2568601), (28, 1834715), (35, 1467772), (70, 733886), (83, 618940), (140, 366943), (166, 309470), (332, 154735), (415, 123788), (581, 88420), (830, 61894), (1162, 44210), (1660, 30947), (2324, 22105), (2905, 17684), (4421, 11620), (5810, 8842)]