520020880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{3527}}^1$

素因数の和:3656

約数の個数: 80

約数和(自身を含む): 1286167680

約数和(自身を除く): 766146800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 380, 388, 485, 760, 776, 970, 1520, 1552, 1843, 1940, 3527, 3686, 3880, 7054, 7372, 7760, 9215, 14108, 14744, 17635, 18430, 28216, 29488, 35270, 36860, 56432, 67013, 70540, 73720, 134026, 141080, 147440, 268052, 282160, 335065, 342119, 536104, 670130, 684238, 1072208, 1340260, 1368476, 1710595, 2680520, 2736952, 3421190, 5361040, 5473904, 6500261, 6842380, 13000522, 13684760, 26001044, 27369520, 32501305, 52002088, 65002610, 104004176, 130005220, 260010440, 520020880]

約数ペア:

[(1, 520020880), (2, 260010440), (4, 130005220), (5, 104004176), (8, 65002610), (10, 52002088), (16, 32501305), (19, 27369520), (20, 26001044), (38, 13684760), (40, 13000522), (76, 6842380), (80, 6500261), (95, 5473904), (97, 5361040), (152, 3421190), (190, 2736952), (194, 2680520), (304, 1710595), (380, 1368476), (388, 1340260), (485, 1072208), (760, 684238), (776, 670130), (970, 536104), (1520, 342119), (1552, 335065), (1843, 282160), (1940, 268052), (3527, 147440), (3686, 141080), (3880, 134026), (7054, 73720), (7372, 70540), (7760, 67013), (9215, 56432), (14108, 36860), (14744, 35270), (17635, 29488), (18430, 28216)]