78291200

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{941}}^1$

素因数の和:980

約数の個数: 108

約数和(自身を含む): 208911108

約数和(自身を除く): 130619908

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 520, 640, 650, 800, 832, 941, 1040, 1280, 1300, 1600, 1664, 1882, 2080, 2600, 3200, 3328, 3764, 4160, 4705, 5200, 6400, 7528, 8320, 9410, 10400, 12233, 15056, 16640, 18820, 20800, 23525, 24466, 30112, 37640, 41600, 47050, 48932, 60224, 61165, 75280, 83200, 94100, 97864, 120448, 122330, 150560, 188200, 195728, 240896, 244660, 301120, 305825, 376400, 391456, 489320, 602240, 611650, 752800, 782912, 978640, 1204480, 1223300, 1505600, 1565824, 1957280, 2446600, 3011200, 3131648, 3914560, 4893200, 6022400, 7829120, 9786400, 15658240, 19572800, 39145600, 78291200]

約数ペア:

[(1, 78291200), (2, 39145600), (4, 19572800), (5, 15658240), (8, 9786400), (10, 7829120), (13, 6022400), (16, 4893200), (20, 3914560), (25, 3131648), (26, 3011200), (32, 2446600), (40, 1957280), (50, 1565824), (52, 1505600), (64, 1223300), (65, 1204480), (80, 978640), (100, 782912), (104, 752800), (128, 611650), (130, 602240), (160, 489320), (200, 391456), (208, 376400), (256, 305825), (260, 301120), (320, 244660), (325, 240896), (400, 195728), (416, 188200), (520, 150560), (640, 122330), (650, 120448), (800, 97864), (832, 94100), (941, 83200), (1040, 75280), (1280, 61165), (1300, 60224), (1600, 48932), (1664, 47050), (1882, 41600), (2080, 37640), (2600, 30112), (3200, 24466), (3328, 23525), (3764, 20800), (4160, 18820), (4705, 16640), (5200, 15056), (6400, 12233), (7528, 10400), (8320, 9410)]