7783880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14969}}^1$

素因数の和:14993

約数の個数: 32

約数和(自身を含む): 18862200

約数和(自身を除く): 11078320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 14969, 29938, 59876, 74845, 119752, 149690, 194597, 299380, 389194, 598760, 778388, 972985, 1556776, 1945970, 3891940, 7783880]

約数ペア:

[(1, 7783880), (2, 3891940), (4, 1945970), (5, 1556776), (8, 972985), (10, 778388), (13, 598760), (20, 389194), (26, 299380), (40, 194597), (52, 149690), (65, 119752), (104, 74845), (130, 59876), (260, 29938), (520, 14969)]