85725440

素因数分解:

$2^8\times 5^1\times {\mathrm{66973}}^1$

素因数の和:66994

約数の個数: 36

約数和(自身を含む): 205342284

約数和(自身を除く): 119616844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 66973, 133946, 267892, 334865, 535784, 669730, 1071568, 1339460, 2143136, 2678920, 4286272, 5357840, 8572544, 10715680, 17145088, 21431360, 42862720, 85725440]

約数ペア:

[(1, 85725440), (2, 42862720), (4, 21431360), (5, 17145088), (8, 10715680), (10, 8572544), (16, 5357840), (20, 4286272), (32, 2678920), (40, 2143136), (64, 1339460), (80, 1071568), (128, 669730), (160, 535784), (256, 334865), (320, 267892), (640, 133946), (1280, 66973)]