40001584

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4013}}^1$

素因数の和:4117

約数の個数: 40

約数和(自身を含む): 89592480

約数和(自身を除く): 49590896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4013, 4984, 8026, 9968, 16052, 28091, 32104, 56182, 64208, 112364, 224728, 357157, 449456, 714314, 1428628, 2500099, 2857256, 5000198, 5714512, 10000396, 20000792, 40001584]

約数ペア:

[(1, 40001584), (2, 20000792), (4, 10000396), (7, 5714512), (8, 5000198), (14, 2857256), (16, 2500099), (28, 1428628), (56, 714314), (89, 449456), (112, 357157), (178, 224728), (356, 112364), (623, 64208), (712, 56182), (1246, 32104), (1424, 28091), (2492, 16052), (4013, 9968), (4984, 8026)]