2080394620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:547

約数の個数: 96

約数和(自身を含む): 4644864000

約数和(自身を除く): 2564469380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 127, 149, 230, 239, 254, 298, 460, 478, 508, 596, 635, 745, 956, 1195, 1270, 1490, 2390, 2540, 2921, 2980, 3427, 4780, 5497, 5842, 6854, 10994, 11684, 13708, 14605, 17135, 18923, 21988, 27485, 29210, 30353, 34270, 35611, 37846, 54970, 58420, 60706, 68540, 71222, 75692, 94615, 109940, 121412, 142444, 151765, 178055, 189230, 303530, 356110, 378460, 435229, 607060, 698119, 712220, 819053, 870458, 1396238, 1638106, 1740916, 2176145, 2792476, 3276212, 3490595, 4095265, 4352290, 4522597, 6981190, 8190530, 8704580, 9045194, 13962380, 16381060, 18090388, 22612985, 45225970, 90451940, 104019731, 208039462, 416078924, 520098655, 1040197310, 2080394620]

約数ペア:

[(1, 2080394620), (2, 1040197310), (4, 520098655), (5, 416078924), (10, 208039462), (20, 104019731), (23, 90451940), (46, 45225970), (92, 22612985), (115, 18090388), (127, 16381060), (149, 13962380), (230, 9045194), (239, 8704580), (254, 8190530), (298, 6981190), (460, 4522597), (478, 4352290), (508, 4095265), (596, 3490595), (635, 3276212), (745, 2792476), (956, 2176145), (1195, 1740916), (1270, 1638106), (1490, 1396238), (2390, 870458), (2540, 819053), (2921, 712220), (2980, 698119), (3427, 607060), (4780, 435229), (5497, 378460), (5842, 356110), (6854, 303530), (10994, 189230), (11684, 178055), (13708, 151765), (14605, 142444), (17135, 121412), (18923, 109940), (21988, 94615), (27485, 75692), (29210, 71222), (30353, 68540), (34270, 60706), (35611, 58420), (37846, 54970)]