54781280

素因数分解:

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

素因数の和:3951

約数の個数: 48

約数和(自身を含む): 130908960

約数和(自身を除く): 76127680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 3847, 7120, 7694, 14240, 15388, 19235, 30776, 38470, 61552, 76940, 123104, 153880, 307760, 342383, 615520, 684766, 1369532, 1711915, 2739064, 3423830, 5478128, 6847660, 10956256, 13695320, 27390640, 54781280]

約数ペア:

[(1, 54781280), (2, 27390640), (4, 13695320), (5, 10956256), (8, 6847660), (10, 5478128), (16, 3423830), (20, 2739064), (32, 1711915), (40, 1369532), (80, 684766), (89, 615520), (160, 342383), (178, 307760), (356, 153880), (445, 123104), (712, 76940), (890, 61552), (1424, 38470), (1780, 30776), (2848, 19235), (3560, 15388), (3847, 14240), (7120, 7694)]