15567760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14969}}^1$

素因数の和:14995

約数の個数: 40

約数和(自身を含む): 38981880

約数和(自身を除く): 23414120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 14969, 29938, 59876, 74845, 119752, 149690, 194597, 239504, 299380, 389194, 598760, 778388, 972985, 1197520, 1556776, 1945970, 3113552, 3891940, 7783880, 15567760]

約数ペア:

[(1, 15567760), (2, 7783880), (4, 3891940), (5, 3113552), (8, 1945970), (10, 1556776), (13, 1197520), (16, 972985), (20, 778388), (26, 598760), (40, 389194), (52, 299380), (65, 239504), (80, 194597), (104, 149690), (130, 119752), (208, 74845), (260, 59876), (520, 29938), (1040, 14969)]