253343320

素因数分解:

$2^3\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{4001}}^1$

素因数の和:5595

約数の個数: 32

約数和(自身を含む): 570525120

約数和(自身を除く): 317181800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1583, 3166, 4001, 6332, 7915, 8002, 12664, 15830, 16004, 20005, 31660, 32008, 40010, 63320, 80020, 160040, 6333583, 12667166, 25334332, 31667915, 50668664, 63335830, 126671660, 253343320]

約数ペア:

[(1, 253343320), (2, 126671660), (4, 63335830), (5, 50668664), (8, 31667915), (10, 25334332), (20, 12667166), (40, 6333583), (1583, 160040), (3166, 80020), (4001, 63320), (6332, 40010), (7915, 32008), (8002, 31660), (12664, 20005), (15830, 16004)]