89801840

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2557}}^1$

素因数の和:3009

約数の個数: 40

約数和(自身を含む): 209346720

約数和(自身を除く): 119544880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1756, 2195, 2557, 3512, 4390, 5114, 7024, 8780, 10228, 12785, 17560, 20456, 25570, 35120, 40912, 51140, 102280, 204560, 1122523, 2245046, 4490092, 5612615, 8980184, 11225230, 17960368, 22450460, 44900920, 89801840]

約数ペア:

[(1, 89801840), (2, 44900920), (4, 22450460), (5, 17960368), (8, 11225230), (10, 8980184), (16, 5612615), (20, 4490092), (40, 2245046), (80, 1122523), (439, 204560), (878, 102280), (1756, 51140), (2195, 40912), (2557, 35120), (3512, 25570), (4390, 20456), (5114, 17560), (7024, 12785), (8780, 10228)]