272240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:137

約数の個数: 40

約数和(自身を含む): 656208

約数和(自身を除く): 383968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 83, 164, 166, 205, 328, 332, 410, 415, 656, 664, 820, 830, 1328, 1640, 1660, 3280, 3320, 3403, 6640, 6806, 13612, 17015, 27224, 34030, 54448, 68060, 136120, 272240]

約数ペア:

[(1, 272240), (2, 136120), (4, 68060), (5, 54448), (8, 34030), (10, 27224), (16, 17015), (20, 13612), (40, 6806), (41, 6640), (80, 3403), (82, 3320), (83, 3280), (164, 1660), (166, 1640), (205, 1328), (328, 830), (332, 820), (410, 664), (415, 656)]