65256520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10133}}^1$

素因数の和:10174

約数の個数: 64

約数和(自身を含む): 175115520

約数和(自身を除く): 109859000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 10133, 20266, 40532, 50665, 70931, 81064, 101330, 141862, 202660, 233059, 283724, 354655, 405320, 466118, 567448, 709310, 932236, 1165295, 1418620, 1631413, 1864472, 2330590, 2837240, 3262826, 4661180, 6525652, 8157065, 9322360, 13051304, 16314130, 32628260, 65256520]

約数ペア:

[(1, 65256520), (2, 32628260), (4, 16314130), (5, 13051304), (7, 9322360), (8, 8157065), (10, 6525652), (14, 4661180), (20, 3262826), (23, 2837240), (28, 2330590), (35, 1864472), (40, 1631413), (46, 1418620), (56, 1165295), (70, 932236), (92, 709310), (115, 567448), (140, 466118), (161, 405320), (184, 354655), (230, 283724), (280, 233059), (322, 202660), (460, 141862), (644, 101330), (805, 81064), (920, 70931), (1288, 50665), (1610, 40532), (3220, 20266), (6440, 10133)]