51692920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4001}}^1$

素因数の和:4048

約数の個数: 64

約数和(自身を含む): 129664800

約数和(自身を除く): 77971880

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 4001, 6460, 8002, 12920, 16004, 20005, 32008, 40010, 68017, 76019, 80020, 136034, 152038, 160040, 272068, 304076, 340085, 380095, 544136, 608152, 680170, 760190, 1292323, 1360340, 1520380, 2584646, 2720680, 3040760, 5169292, 6461615, 10338584, 12923230, 25846460, 51692920]

約数ペア:

[(1, 51692920), (2, 25846460), (4, 12923230), (5, 10338584), (8, 6461615), (10, 5169292), (17, 3040760), (19, 2720680), (20, 2584646), (34, 1520380), (38, 1360340), (40, 1292323), (68, 760190), (76, 680170), (85, 608152), (95, 544136), (136, 380095), (152, 340085), (170, 304076), (190, 272068), (323, 160040), (340, 152038), (380, 136034), (646, 80020), (680, 76019), (760, 68017), (1292, 40010), (1615, 32008), (2584, 20005), (3230, 16004), (4001, 12920), (6460, 8002)]