80452480

素因数分解:

$2^7\times 5^1\times {\mathrm{125707}}^1$

素因数の和:125726

約数の個数: 32

約数和(自身を含む): 192333240

約数和(自身を除く): 111880760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 125707, 251414, 502828, 628535, 1005656, 1257070, 2011312, 2514140, 4022624, 5028280, 8045248, 10056560, 16090496, 20113120, 40226240, 80452480]

約数ペア:

[(1, 80452480), (2, 40226240), (4, 20113120), (5, 16090496), (8, 10056560), (10, 8045248), (16, 5028280), (20, 4022624), (32, 2514140), (40, 2011312), (64, 1257070), (80, 1005656), (128, 628535), (160, 502828), (320, 251414), (640, 125707)]