40281920

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{367}}^1$

素因数の和:405

約数の個数: 112

約数和(自身を含む): 112166400

約数和(自身を除く): 71884480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 367, 392, 448, 490, 560, 686, 734, 784, 980, 1120, 1372, 1468, 1568, 1715, 1835, 1960, 2240, 2569, 2744, 2936, 3136, 3430, 3670, 3920, 5138, 5488, 5872, 6860, 7340, 7840, 10276, 10976, 11744, 12845, 13720, 14680, 15680, 17983, 20552, 21952, 23488, 25690, 27440, 29360, 35966, 41104, 51380, 54880, 58720, 71932, 82208, 89915, 102760, 109760, 117440, 125881, 143864, 164416, 179830, 205520, 251762, 287728, 359660, 411040, 503524, 575456, 629405, 719320, 822080, 1007048, 1150912, 1258810, 1438640, 2014096, 2517620, 2877280, 4028192, 5035240, 5754560, 8056384, 10070480, 20140960, 40281920]

約数ペア:

[(1, 40281920), (2, 20140960), (4, 10070480), (5, 8056384), (7, 5754560), (8, 5035240), (10, 4028192), (14, 2877280), (16, 2517620), (20, 2014096), (28, 1438640), (32, 1258810), (35, 1150912), (40, 1007048), (49, 822080), (56, 719320), (64, 629405), (70, 575456), (80, 503524), (98, 411040), (112, 359660), (140, 287728), (160, 251762), (196, 205520), (224, 179830), (245, 164416), (280, 143864), (320, 125881), (343, 117440), (367, 109760), (392, 102760), (448, 89915), (490, 82208), (560, 71932), (686, 58720), (734, 54880), (784, 51380), (980, 41104), (1120, 35966), (1372, 29360), (1468, 27440), (1568, 25690), (1715, 23488), (1835, 21952), (1960, 20552), (2240, 17983), (2569, 15680), (2744, 14680), (2936, 13720), (3136, 12845), (3430, 11744), (3670, 10976), (3920, 10276), (5138, 7840), (5488, 7340), (5872, 6860)]