64135520

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1597}}^1$

素因数の和:1863

約数の個数: 48

約数和(自身を含む): 152219088

約数和(自身を除く): 88083568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 502, 1004, 1255, 1597, 2008, 2510, 3194, 4016, 5020, 6388, 7985, 8032, 10040, 12776, 15970, 20080, 25552, 31940, 40160, 51104, 63880, 127760, 255520, 400847, 801694, 1603388, 2004235, 3206776, 4008470, 6413552, 8016940, 12827104, 16033880, 32067760, 64135520]

約数ペア:

[(1, 64135520), (2, 32067760), (4, 16033880), (5, 12827104), (8, 8016940), (10, 6413552), (16, 4008470), (20, 3206776), (32, 2004235), (40, 1603388), (80, 801694), (160, 400847), (251, 255520), (502, 127760), (1004, 63880), (1255, 51104), (1597, 40160), (2008, 31940), (2510, 25552), (3194, 20080), (4016, 15970), (5020, 12776), (6388, 10040), (7985, 8032)]