5515520

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 13735680

約数和(自身を除く): 8220160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 139, 155, 160, 248, 256, 278, 310, 320, 496, 556, 620, 640, 695, 992, 1112, 1240, 1280, 1390, 1984, 2224, 2480, 2780, 3968, 4309, 4448, 4960, 5560, 7936, 8618, 8896, 9920, 11120, 17236, 17792, 19840, 21545, 22240, 34472, 35584, 39680, 43090, 44480, 68944, 86180, 88960, 137888, 172360, 177920, 275776, 344720, 551552, 689440, 1103104, 1378880, 2757760, 5515520]

約数ペア:

[(1, 5515520), (2, 2757760), (4, 1378880), (5, 1103104), (8, 689440), (10, 551552), (16, 344720), (20, 275776), (31, 177920), (32, 172360), (40, 137888), (62, 88960), (64, 86180), (80, 68944), (124, 44480), (128, 43090), (139, 39680), (155, 35584), (160, 34472), (248, 22240), (256, 21545), (278, 19840), (310, 17792), (320, 17236), (496, 11120), (556, 9920), (620, 8896), (640, 8618), (695, 7936), (992, 5560), (1112, 4960), (1240, 4448), (1280, 4309), (1390, 3968), (1984, 2780), (2224, 2480)]