40109440

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{1279}}^1$

素因数の和:1312

約数の個数: 96

約数和(自身を含む): 111628800

約数和(自身を除く): 71519360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1279, 1568, 1960, 2240, 2558, 3136, 3920, 4480, 5116, 6272, 6395, 7840, 8953, 10232, 12790, 15680, 17906, 20464, 25580, 31360, 35812, 40928, 44765, 51160, 62671, 71624, 81856, 89530, 102320, 125342, 143248, 163712, 179060, 204640, 250684, 286496, 313355, 358120, 409280, 501368, 572992, 626710, 716240, 818560, 1002736, 1145984, 1253420, 1432480, 2005472, 2506840, 2864960, 4010944, 5013680, 5729920, 8021888, 10027360, 20054720, 40109440]

約数ペア:

[(1, 40109440), (2, 20054720), (4, 10027360), (5, 8021888), (7, 5729920), (8, 5013680), (10, 4010944), (14, 2864960), (16, 2506840), (20, 2005472), (28, 1432480), (32, 1253420), (35, 1145984), (40, 1002736), (49, 818560), (56, 716240), (64, 626710), (70, 572992), (80, 501368), (98, 409280), (112, 358120), (128, 313355), (140, 286496), (160, 250684), (196, 204640), (224, 179060), (245, 163712), (280, 143248), (320, 125342), (392, 102320), (448, 89530), (490, 81856), (560, 71624), (640, 62671), (784, 51160), (896, 44765), (980, 40928), (1120, 35812), (1279, 31360), (1568, 25580), (1960, 20464), (2240, 17906), (2558, 15680), (3136, 12790), (3920, 10232), (4480, 8953), (5116, 7840), (6272, 6395)]