16624730020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{431363}}^1$

素因数の和:431460

約数の個数: 48

約数和(自身を含む): 36524452608

約数和(自身を除く): 19899722588

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1927, 3854, 7708, 9635, 19270, 38540, 431363, 862726, 1725452, 2156815, 4313630, 8627260, 17685883, 20274061, 35371766, 40548122, 70743532, 81096244, 88429415, 101370305, 176858830, 202740610, 353717660, 405481220, 831236501, 1662473002, 3324946004, 4156182505, 8312365010, 16624730020]

約数ペア:

[(1, 16624730020), (2, 8312365010), (4, 4156182505), (5, 3324946004), (10, 1662473002), (20, 831236501), (41, 405481220), (47, 353717660), (82, 202740610), (94, 176858830), (164, 101370305), (188, 88429415), (205, 81096244), (235, 70743532), (410, 40548122), (470, 35371766), (820, 20274061), (940, 17685883), (1927, 8627260), (3854, 4313630), (7708, 2156815), (9635, 1725452), (19270, 862726), (38540, 431363)]