40920320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{4567}}^1$

素因数の和:4595

約数の個数: 72

約数和(自身を含む): 112043904

約数和(自身を除く): 71123584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 4567, 8960, 9134, 18268, 22835, 31969, 36536, 45670, 63938, 73072, 91340, 127876, 146144, 159845, 182680, 255752, 292288, 319690, 365360, 511504, 584576, 639380, 730720, 1023008, 1169152, 1278760, 1461440, 2046016, 2557520, 2922880, 4092032, 5115040, 5845760, 8184064, 10230080, 20460160, 40920320]

約数ペア:

[(1, 40920320), (2, 20460160), (4, 10230080), (5, 8184064), (7, 5845760), (8, 5115040), (10, 4092032), (14, 2922880), (16, 2557520), (20, 2046016), (28, 1461440), (32, 1278760), (35, 1169152), (40, 1023008), (56, 730720), (64, 639380), (70, 584576), (80, 511504), (112, 365360), (128, 319690), (140, 292288), (160, 255752), (224, 182680), (256, 159845), (280, 146144), (320, 127876), (448, 91340), (560, 73072), (640, 63938), (896, 45670), (1120, 36536), (1280, 31969), (1792, 22835), (2240, 18268), (4480, 9134), (4567, 8960)]