78152560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23827}}^1$

素因数の和:23881

約数の個数: 40

約数和(自身を含む): 186144336

約数和(自身を除く): 107991776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 23827, 47654, 95308, 119135, 190616, 238270, 381232, 476540, 953080, 976907, 1906160, 1953814, 3907628, 4884535, 7815256, 9769070, 15630512, 19538140, 39076280, 78152560]

約数ペア:

[(1, 78152560), (2, 39076280), (4, 19538140), (5, 15630512), (8, 9769070), (10, 7815256), (16, 4884535), (20, 3907628), (40, 1953814), (41, 1906160), (80, 976907), (82, 953080), (164, 476540), (205, 381232), (328, 238270), (410, 190616), (656, 119135), (820, 95308), (1640, 47654), (3280, 23827)]