12901840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23039}}^1$

素因数の和:23059

約数の個数: 40

約数和(自身を含む): 34283520

約数和(自身を除く): 21381680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 23039, 46078, 92156, 115195, 161273, 184312, 230390, 322546, 368624, 460780, 645092, 806365, 921560, 1290184, 1612730, 1843120, 2580368, 3225460, 6450920, 12901840]

約数ペア:

[(1, 12901840), (2, 6450920), (4, 3225460), (5, 2580368), (7, 1843120), (8, 1612730), (10, 1290184), (14, 921560), (16, 806365), (20, 645092), (28, 460780), (35, 368624), (40, 322546), (56, 230390), (70, 184312), (80, 161273), (112, 115195), (140, 92156), (280, 46078), (560, 23039)]