100638080

素因数分解:

$2^7\times 5^1\times {\mathrm{157247}}^1$

素因数の和:157266

約数の個数: 32

約数和(自身を含む): 240589440

約数和(自身を除く): 139951360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 157247, 314494, 628988, 786235, 1257976, 1572470, 2515952, 3144940, 5031904, 6289880, 10063808, 12579760, 20127616, 25159520, 50319040, 100638080]

約数ペア:

[(1, 100638080), (2, 50319040), (4, 25159520), (5, 20127616), (8, 12579760), (10, 10063808), (16, 6289880), (20, 5031904), (32, 3144940), (40, 2515952), (64, 1572470), (80, 1257976), (128, 786235), (160, 628988), (320, 314494), (640, 157247)]