20190166720

素因数分解:

$2^6\times 5^1\times {\mathrm{257}}^1\times {\mathrm{383}}^1\times {\mathrm{641}}^1$

素因数の和:1298

約数の個数: 112

約数和(自身を含む): 48466418688

約数和(自身を除く): 28276251968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 257, 320, 383, 514, 641, 766, 1028, 1282, 1285, 1532, 1915, 2056, 2564, 2570, 3064, 3205, 3830, 4112, 5128, 5140, 6128, 6410, 7660, 8224, 10256, 10280, 12256, 12820, 15320, 16448, 20512, 20560, 24512, 25640, 30640, 41024, 41120, 51280, 61280, 82240, 98431, 102560, 122560, 164737, 196862, 205120, 245503, 329474, 393724, 491006, 492155, 658948, 787448, 823685, 982012, 984310, 1227515, 1317896, 1574896, 1647370, 1964024, 1968620, 2455030, 2635792, 3149792, 3294740, 3928048, 3937240, 4910060, 5271584, 6299584, 6589480, 7856096, 7874480, 9820120, 10543168, 13178960, 15712192, 15748960, 19640240, 26357920, 31497920, 39280480, 52715840, 63094271, 78560960, 126188542, 252377084, 315471355, 504754168, 630942710, 1009508336, 1261885420, 2019016672, 2523770840, 4038033344, 5047541680, 10095083360, 20190166720]

約数ペア:

[(1, 20190166720), (2, 10095083360), (4, 5047541680), (5, 4038033344), (8, 2523770840), (10, 2019016672), (16, 1261885420), (20, 1009508336), (32, 630942710), (40, 504754168), (64, 315471355), (80, 252377084), (160, 126188542), (257, 78560960), (320, 63094271), (383, 52715840), (514, 39280480), (641, 31497920), (766, 26357920), (1028, 19640240), (1282, 15748960), (1285, 15712192), (1532, 13178960), (1915, 10543168), (2056, 9820120), (2564, 7874480), (2570, 7856096), (3064, 6589480), (3205, 6299584), (3830, 5271584), (4112, 4910060), (5128, 3937240), (5140, 3928048), (6128, 3294740), (6410, 3149792), (7660, 2635792), (8224, 2455030), (10256, 1968620), (10280, 1964024), (12256, 1647370), (12820, 1574896), (15320, 1317896), (16448, 1227515), (20512, 984310), (20560, 982012), (24512, 823685), (25640, 787448), (30640, 658948), (41024, 492155), (41120, 491006), (51280, 393724), (61280, 329474), (82240, 245503), (98431, 205120), (102560, 196862), (122560, 164737)]