259714240

素因数分解:

$2^6\times 5^1\times {\mathrm{811607}}^1$

素因数の和:811624

約数の個数: 28

約数和(自身を含む): 618445296

約数和(自身を除く): 358731056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 811607, 1623214, 3246428, 4058035, 6492856, 8116070, 12985712, 16232140, 25971424, 32464280, 51942848, 64928560, 129857120, 259714240]

約数ペア:

[(1, 259714240), (2, 129857120), (4, 64928560), (5, 51942848), (8, 32464280), (10, 25971424), (16, 16232140), (20, 12985712), (32, 8116070), (40, 6492856), (64, 4058035), (80, 3246428), (160, 1623214), (320, 811607)]