12509440

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 31089240

約数和(自身を除く): 18579800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 337, 464, 580, 640, 674, 928, 1160, 1280, 1348, 1685, 1856, 2320, 2696, 3370, 3712, 4640, 5392, 6740, 7424, 9280, 9773, 10784, 13480, 18560, 19546, 21568, 26960, 37120, 39092, 43136, 48865, 53920, 78184, 86272, 97730, 107840, 156368, 195460, 215680, 312736, 390920, 431360, 625472, 781840, 1250944, 1563680, 2501888, 3127360, 6254720, 12509440]

約数ペア:

[(1, 12509440), (2, 6254720), (4, 3127360), (5, 2501888), (8, 1563680), (10, 1250944), (16, 781840), (20, 625472), (29, 431360), (32, 390920), (40, 312736), (58, 215680), (64, 195460), (80, 156368), (116, 107840), (128, 97730), (145, 86272), (160, 78184), (232, 53920), (256, 48865), (290, 43136), (320, 39092), (337, 37120), (464, 26960), (580, 21568), (640, 19546), (674, 18560), (928, 13480), (1160, 10784), (1280, 9773), (1348, 9280), (1685, 7424), (1856, 6740), (2320, 5392), (2696, 4640), (3370, 3712)]