16628480

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1181}}^1$

素因数の和:1213

約数の個数: 72

約数和(自身を含む): 43488144

約数和(自身を除く): 26859664

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1181, 1280, 1408, 1760, 2362, 2816, 3520, 4724, 5905, 7040, 9448, 11810, 12991, 14080, 18896, 23620, 25982, 37792, 47240, 51964, 64955, 75584, 94480, 103928, 129910, 151168, 188960, 207856, 259820, 302336, 377920, 415712, 519640, 755840, 831424, 1039280, 1511680, 1662848, 2078560, 3325696, 4157120, 8314240, 16628480]

約数ペア:

[(1, 16628480), (2, 8314240), (4, 4157120), (5, 3325696), (8, 2078560), (10, 1662848), (11, 1511680), (16, 1039280), (20, 831424), (22, 755840), (32, 519640), (40, 415712), (44, 377920), (55, 302336), (64, 259820), (80, 207856), (88, 188960), (110, 151168), (128, 129910), (160, 103928), (176, 94480), (220, 75584), (256, 64955), (320, 51964), (352, 47240), (440, 37792), (640, 25982), (704, 23620), (880, 18896), (1181, 14080), (1280, 12991), (1408, 11810), (1760, 9448), (2362, 7040), (2816, 5905), (3520, 4724)]