1025101782160

素因数分解:

$2^4\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{6429389}}^1$

素因数の和:6431395

約数の個数: 40

約数和(自身を含む): 2384557880760

約数和(自身を除く): 1359456098600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1993, 3986, 7972, 9965, 15944, 19930, 31888, 39860, 79720, 159440, 6429389, 12858778, 25717556, 32146945, 51435112, 64293890, 102870224, 128587780, 257175560, 514351120, 12813772277, 25627544554, 51255089108, 64068861385, 102510178216, 128137722770, 205020356432, 256275445540, 512550891080, 1025101782160]

約数ペア:

[(1, 1025101782160), (2, 512550891080), (4, 256275445540), (5, 205020356432), (8, 128137722770), (10, 102510178216), (16, 64068861385), (20, 51255089108), (40, 25627544554), (80, 12813772277), (1993, 514351120), (3986, 257175560), (7972, 128587780), (9965, 102870224), (15944, 64293890), (19930, 51435112), (31888, 32146945), (39860, 25717556), (79720, 12858778), (159440, 6429389)]