1281566560

素因数分解:

$2^5\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{7907}}^1$

素因数の和:8935

約数の個数: 48

約数和(自身を含む): 3031073136

約数和(自身を除く): 1749506576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1013, 2026, 4052, 5065, 7907, 8104, 10130, 15814, 16208, 20260, 31628, 32416, 39535, 40520, 63256, 79070, 81040, 126512, 158140, 162080, 253024, 316280, 632560, 1265120, 8009791, 16019582, 32039164, 40048955, 64078328, 80097910, 128156656, 160195820, 256313312, 320391640, 640783280, 1281566560]

約数ペア:

[(1, 1281566560), (2, 640783280), (4, 320391640), (5, 256313312), (8, 160195820), (10, 128156656), (16, 80097910), (20, 64078328), (32, 40048955), (40, 32039164), (80, 16019582), (160, 8009791), (1013, 1265120), (2026, 632560), (4052, 316280), (5065, 253024), (7907, 162080), (8104, 158140), (10130, 126512), (15814, 81040), (16208, 79070), (20260, 63256), (31628, 40520), (32416, 39535)]