31648460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 70108416

約数和(自身を除く): 38459956

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 214, 230, 428, 460, 535, 643, 1070, 1286, 2140, 2461, 2572, 3215, 4922, 6430, 9844, 12305, 12860, 14789, 24610, 29578, 49220, 59156, 68801, 73945, 137602, 147890, 275204, 295780, 344005, 688010, 1376020, 1582423, 3164846, 6329692, 7912115, 15824230, 31648460]

約数ペア:

[(1, 31648460), (2, 15824230), (4, 7912115), (5, 6329692), (10, 3164846), (20, 1582423), (23, 1376020), (46, 688010), (92, 344005), (107, 295780), (115, 275204), (214, 147890), (230, 137602), (428, 73945), (460, 68801), (535, 59156), (643, 49220), (1070, 29578), (1286, 24610), (2140, 14789), (2461, 12860), (2572, 12305), (3215, 9844), (4922, 6430)]