1080280

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 2462400

約数和(自身を除く): 1382120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 239, 452, 478, 565, 904, 956, 1130, 1195, 1912, 2260, 2390, 4520, 4780, 9560, 27007, 54014, 108028, 135035, 216056, 270070, 540140, 1080280]

約数ペア:

[(1, 1080280), (2, 540140), (4, 270070), (5, 216056), (8, 135035), (10, 108028), (20, 54014), (40, 27007), (113, 9560), (226, 4780), (239, 4520), (452, 2390), (478, 2260), (565, 1912), (904, 1195), (956, 1130)]