8909940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11423}}^1$

素因数の和:11448

約数の個数: 48

約数和(自身を含む): 26869248

約数和(自身を除く): 17959308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 11423, 22846, 34269, 45692, 57115, 68538, 114230, 137076, 148499, 171345, 228460, 296998, 342690, 445497, 593996, 685380, 742495, 890994, 1484990, 1781988, 2227485, 2969980, 4454970, 8909940]

約数ペア:

[(1, 8909940), (2, 4454970), (3, 2969980), (4, 2227485), (5, 1781988), (6, 1484990), (10, 890994), (12, 742495), (13, 685380), (15, 593996), (20, 445497), (26, 342690), (30, 296998), (39, 228460), (52, 171345), (60, 148499), (65, 137076), (78, 114230), (130, 68538), (156, 57115), (195, 45692), (260, 34269), (390, 22846), (780, 11423)]