27390640

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3847}}^1$

素因数の和:3949

約数の個数: 40

約数和(自身を含む): 64415520

約数和(自身を除く): 37024880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 3847, 7120, 7694, 15388, 19235, 30776, 38470, 61552, 76940, 153880, 307760, 342383, 684766, 1369532, 1711915, 2739064, 3423830, 5478128, 6847660, 13695320, 27390640]

約数ペア:

[(1, 27390640), (2, 13695320), (4, 6847660), (5, 5478128), (8, 3423830), (10, 2739064), (16, 1711915), (20, 1369532), (40, 684766), (80, 342383), (89, 307760), (178, 153880), (356, 76940), (445, 61552), (712, 38470), (890, 30776), (1424, 19235), (1780, 15388), (3560, 7694), (3847, 7120)]