40418560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 119500416

約数和(自身を除く): 79081856

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 347, 364, 416, 448, 455, 520, 560, 640, 694, 728, 832, 896, 910, 1040, 1120, 1280, 1388, 1456, 1664, 1735, 1792, 1820, 2080, 2240, 2429, 2776, 2912, 3328, 3470, 3640, 4160, 4480, 4511, 4858, 5552, 5824, 6940, 7280, 8320, 8960, 9022, 9716, 11104, 11648, 12145, 13880, 14560, 16640, 18044, 19432, 22208, 22555, 23296, 24290, 27760, 29120, 31577, 36088, 38864, 44416, 45110, 48580, 55520, 58240, 63154, 72176, 77728, 88832, 90220, 97160, 111040, 116480, 126308, 144352, 155456, 157885, 180440, 194320, 222080, 252616, 288704, 310912, 315770, 360880, 388640, 444160, 505232, 577408, 621824, 631540, 721760, 777280, 1010464, 1154816, 1263080, 1443520, 1554560, 2020928, 2526160, 2887040, 3109120, 4041856, 5052320, 5774080, 8083712, 10104640, 20209280, 40418560]

約数ペア:

[(1, 40418560), (2, 20209280), (4, 10104640), (5, 8083712), (7, 5774080), (8, 5052320), (10, 4041856), (13, 3109120), (14, 2887040), (16, 2526160), (20, 2020928), (26, 1554560), (28, 1443520), (32, 1263080), (35, 1154816), (40, 1010464), (52, 777280), (56, 721760), (64, 631540), (65, 621824), (70, 577408), (80, 505232), (91, 444160), (104, 388640), (112, 360880), (128, 315770), (130, 310912), (140, 288704), (160, 252616), (182, 222080), (208, 194320), (224, 180440), (256, 157885), (260, 155456), (280, 144352), (320, 126308), (347, 116480), (364, 111040), (416, 97160), (448, 90220), (455, 88832), (520, 77728), (560, 72176), (640, 63154), (694, 58240), (728, 55520), (832, 48580), (896, 45110), (910, 44416), (1040, 38864), (1120, 36088), (1280, 31577), (1388, 29120), (1456, 27760), (1664, 24290), (1735, 23296), (1792, 22555), (1820, 22208), (2080, 19432), (2240, 18044), (2429, 16640), (2776, 14560), (2912, 13880), (3328, 12145), (3470, 11648), (3640, 11104), (4160, 9716), (4480, 9022), (4511, 8960), (4858, 8320), (5552, 7280), (5824, 6940)]