200460800

素因数分解:

$2^9\times 5^2\times {\mathrm{15661}}^1$

素因数の和:15689

約数の個数: 60

約数和(自身を含む): 496689006

約数和(自身を除く): 296228206

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2560, 3200, 6400, 12800, 15661, 31322, 62644, 78305, 125288, 156610, 250576, 313220, 391525, 501152, 626440, 783050, 1002304, 1252880, 1566100, 2004608, 2505760, 3132200, 4009216, 5011520, 6264400, 8018432, 10023040, 12528800, 20046080, 25057600, 40092160, 50115200, 100230400, 200460800]

約数ペア:

[(1, 200460800), (2, 100230400), (4, 50115200), (5, 40092160), (8, 25057600), (10, 20046080), (16, 12528800), (20, 10023040), (25, 8018432), (32, 6264400), (40, 5011520), (50, 4009216), (64, 3132200), (80, 2505760), (100, 2004608), (128, 1566100), (160, 1252880), (200, 1002304), (256, 783050), (320, 626440), (400, 501152), (512, 391525), (640, 313220), (800, 250576), (1280, 156610), (1600, 125288), (2560, 78305), (3200, 62644), (6400, 31322), (12800, 15661)]