55155200

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 120

約数和(自身を含む): 142074240

約数和(自身を除く): 86919040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 139, 155, 160, 200, 248, 256, 278, 310, 320, 400, 496, 512, 556, 620, 640, 695, 775, 800, 992, 1112, 1240, 1280, 1390, 1550, 1600, 1984, 2224, 2480, 2560, 2780, 3100, 3200, 3475, 3968, 4309, 4448, 4960, 5560, 6200, 6400, 6950, 7936, 8618, 8896, 9920, 11120, 12400, 12800, 13900, 15872, 17236, 17792, 19840, 21545, 22240, 24800, 27800, 34472, 35584, 39680, 43090, 44480, 49600, 55600, 68944, 71168, 79360, 86180, 88960, 99200, 107725, 111200, 137888, 172360, 177920, 198400, 215450, 222400, 275776, 344720, 355840, 396800, 430900, 444800, 551552, 689440, 861800, 889600, 1103104, 1378880, 1723600, 1779200, 2206208, 2757760, 3447200, 5515520, 6894400, 11031040, 13788800, 27577600, 55155200]

約数ペア:

[(1, 55155200), (2, 27577600), (4, 13788800), (5, 11031040), (8, 6894400), (10, 5515520), (16, 3447200), (20, 2757760), (25, 2206208), (31, 1779200), (32, 1723600), (40, 1378880), (50, 1103104), (62, 889600), (64, 861800), (80, 689440), (100, 551552), (124, 444800), (128, 430900), (139, 396800), (155, 355840), (160, 344720), (200, 275776), (248, 222400), (256, 215450), (278, 198400), (310, 177920), (320, 172360), (400, 137888), (496, 111200), (512, 107725), (556, 99200), (620, 88960), (640, 86180), (695, 79360), (775, 71168), (800, 68944), (992, 55600), (1112, 49600), (1240, 44480), (1280, 43090), (1390, 39680), (1550, 35584), (1600, 34472), (1984, 27800), (2224, 24800), (2480, 22240), (2560, 21545), (2780, 19840), (3100, 17792), (3200, 17236), (3475, 15872), (3968, 13900), (4309, 12800), (4448, 12400), (4960, 11120), (5560, 9920), (6200, 8896), (6400, 8618), (6950, 7936)]