12488960

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{887}}^1$

素因数の和:919

約数の個数: 72

約数和(自身を含む): 32671296

約数和(自身を除く): 20182336

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, 887, 1280, 1408, 1760, 1774, 2816, 3520, 3548, 4435, 7040, 7096, 8870, 9757, 14080, 14192, 17740, 19514, 28384, 35480, 39028, 48785, 56768, 70960, 78056, 97570, 113536, 141920, 156112, 195140, 227072, 283840, 312224, 390280, 567680, 624448, 780560, 1135360, 1248896, 1561120, 2497792, 3122240, 6244480, 12488960]

約数ペア:

[(1, 12488960), (2, 6244480), (4, 3122240), (5, 2497792), (8, 1561120), (10, 1248896), (11, 1135360), (16, 780560), (20, 624448), (22, 567680), (32, 390280), (40, 312224), (44, 283840), (55, 227072), (64, 195140), (80, 156112), (88, 141920), (110, 113536), (128, 97570), (160, 78056), (176, 70960), (220, 56768), (256, 48785), (320, 39028), (352, 35480), (440, 28384), (640, 19514), (704, 17740), (880, 14192), (887, 14080), (1280, 9757), (1408, 8870), (1760, 7096), (1774, 7040), (2816, 4435), (3520, 3548)]