40007408

素因数分解:

$2^4\times 7^1\times {\mathrm{523}}^1\times {\mathrm{683}}^1$

素因数の和:1221

約数の個数: 40

約数和(自身を含む): 88887168

約数和(自身を除く): 48879760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 523, 683, 1046, 1366, 2092, 2732, 3661, 4184, 4781, 5464, 7322, 8368, 9562, 10928, 14644, 19124, 29288, 38248, 58576, 76496, 357209, 714418, 1428836, 2500463, 2857672, 5000926, 5715344, 10001852, 20003704, 40007408]

約数ペア:

[(1, 40007408), (2, 20003704), (4, 10001852), (7, 5715344), (8, 5000926), (14, 2857672), (16, 2500463), (28, 1428836), (56, 714418), (112, 357209), (523, 76496), (683, 58576), (1046, 38248), (1366, 29288), (2092, 19124), (2732, 14644), (3661, 10928), (4184, 9562), (4781, 8368), (5464, 7322)]