63894820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{809}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 146966400

約数和(自身を除く): 83071580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 359, 718, 809, 1436, 1618, 1795, 3236, 3590, 3949, 4045, 7180, 7898, 8090, 8899, 15796, 16180, 17798, 19745, 35596, 39490, 44495, 78980, 88990, 177980, 290431, 580862, 1161724, 1452155, 2904310, 3194741, 5808620, 6389482, 12778964, 15973705, 31947410, 63894820]

約数ペア:

[(1, 63894820), (2, 31947410), (4, 15973705), (5, 12778964), (10, 6389482), (11, 5808620), (20, 3194741), (22, 2904310), (44, 1452155), (55, 1161724), (110, 580862), (220, 290431), (359, 177980), (718, 88990), (809, 78980), (1436, 44495), (1618, 39490), (1795, 35596), (3236, 19745), (3590, 17798), (3949, 16180), (4045, 15796), (7180, 8899), (7898, 8090)]