31602740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{617}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 71950032

約数和(自身を除く): 40347292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 617, 788, 985, 1234, 1970, 2468, 2561, 3085, 3940, 5122, 6170, 8021, 10244, 12340, 12805, 16042, 25610, 32084, 40105, 51220, 80210, 121549, 160420, 243098, 486196, 607745, 1215490, 1580137, 2430980, 3160274, 6320548, 7900685, 15801370, 31602740]

約数ペア:

[(1, 31602740), (2, 15801370), (4, 7900685), (5, 6320548), (10, 3160274), (13, 2430980), (20, 1580137), (26, 1215490), (52, 607745), (65, 486196), (130, 243098), (197, 160420), (260, 121549), (394, 80210), (617, 51220), (788, 40105), (985, 32084), (1234, 25610), (1970, 16042), (2468, 12805), (2561, 12340), (3085, 10244), (3940, 8021), (5122, 6170)]