20180841520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2411}}^1\times {\mathrm{14947}}^1$

素因数の和:17378

約数の個数: 80

約数和(自身を含む): 53649209088

約数和(自身を除く): 33468367568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2411, 4822, 9644, 12055, 14947, 16877, 19288, 24110, 29894, 33754, 38576, 48220, 59788, 67508, 74735, 84385, 96440, 104629, 119576, 135016, 149470, 168770, 192880, 209258, 239152, 270032, 298940, 337540, 418516, 523145, 597880, 675080, 837032, 1046290, 1195760, 1350160, 1674064, 2092580, 4185160, 8370320, 36037217, 72074434, 144148868, 180186085, 252260519, 288297736, 360372170, 504521038, 576595472, 720744340, 1009042076, 1261302595, 1441488680, 2018084152, 2522605190, 2882977360, 4036168304, 5045210380, 10090420760, 20180841520]

約数ペア:

[(1, 20180841520), (2, 10090420760), (4, 5045210380), (5, 4036168304), (7, 2882977360), (8, 2522605190), (10, 2018084152), (14, 1441488680), (16, 1261302595), (20, 1009042076), (28, 720744340), (35, 576595472), (40, 504521038), (56, 360372170), (70, 288297736), (80, 252260519), (112, 180186085), (140, 144148868), (280, 72074434), (560, 36037217), (2411, 8370320), (4822, 4185160), (9644, 2092580), (12055, 1674064), (14947, 1350160), (16877, 1195760), (19288, 1046290), (24110, 837032), (29894, 675080), (33754, 597880), (38576, 523145), (48220, 418516), (59788, 337540), (67508, 298940), (74735, 270032), (84385, 239152), (96440, 209258), (104629, 192880), (119576, 168770), (135016, 149470)]