1351220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5197}}^1$

素因数の和:5219

約数の個数: 24

約数和(自身を含む): 3056424

約数和(自身を除く): 1705204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5197, 10394, 20788, 25985, 51970, 67561, 103940, 135122, 270244, 337805, 675610, 1351220]

約数ペア:

[(1, 1351220), (2, 675610), (4, 337805), (5, 270244), (10, 135122), (13, 103940), (20, 67561), (26, 51970), (52, 25985), (65, 20788), (130, 10394), (260, 5197)]