8901760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{1987}}^1$

素因数の和:2013

約数の個数: 64

約数和(自身を含む): 24333120

約数和(自身を除く): 15431360

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, 280, 320, 448, 560, 640, 896, 1120, 1987, 2240, 3974, 4480, 7948, 9935, 13909, 15896, 19870, 27818, 31792, 39740, 55636, 63584, 69545, 79480, 111272, 127168, 139090, 158960, 222544, 254336, 278180, 317920, 445088, 556360, 635840, 890176, 1112720, 1271680, 1780352, 2225440, 4450880, 8901760]

約数ペア:

[(1, 8901760), (2, 4450880), (4, 2225440), (5, 1780352), (7, 1271680), (8, 1112720), (10, 890176), (14, 635840), (16, 556360), (20, 445088), (28, 317920), (32, 278180), (35, 254336), (40, 222544), (56, 158960), (64, 139090), (70, 127168), (80, 111272), (112, 79480), (128, 69545), (140, 63584), (160, 55636), (224, 39740), (280, 31792), (320, 27818), (448, 19870), (560, 15896), (640, 13909), (896, 9935), (1120, 7948), (1987, 4480), (2240, 3974)]