25486448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6449}}^1$

素因数の和:6489

約数の個数: 40

約数和(自身を含む): 55986000

約数和(自身を除く): 30499552

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 6449, 12898, 25796, 51592, 83837, 103184, 122531, 167674, 245062, 335348, 490124, 670696, 980248, 1341392, 1592903, 1960496, 3185806, 6371612, 12743224, 25486448]

約数ペア:

[(1, 25486448), (2, 12743224), (4, 6371612), (8, 3185806), (13, 1960496), (16, 1592903), (19, 1341392), (26, 980248), (38, 670696), (52, 490124), (76, 335348), (104, 245062), (152, 167674), (208, 122531), (247, 103184), (304, 83837), (494, 51592), (988, 25796), (1976, 12898), (3952, 6449)]