127965920

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19507}}^1$

素因数の和:19563

約数の個数: 48

約数和(自身を含む): 309709008

約数和(自身を除く): 181743088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 19507, 39014, 78028, 97535, 156056, 195070, 312112, 390140, 624224, 780280, 799787, 1560560, 1599574, 3121120, 3199148, 3998935, 6398296, 7997870, 12796592, 15995740, 25593184, 31991480, 63982960, 127965920]

約数ペア:

[(1, 127965920), (2, 63982960), (4, 31991480), (5, 25593184), (8, 15995740), (10, 12796592), (16, 7997870), (20, 6398296), (32, 3998935), (40, 3199148), (41, 3121120), (80, 1599574), (82, 1560560), (160, 799787), (164, 780280), (205, 624224), (328, 390140), (410, 312112), (656, 195070), (820, 156056), (1312, 97535), (1640, 78028), (3280, 39014), (6560, 19507)]