201453440

素因数分解:

$2^7\times 5^1\times {\mathrm{314771}}^1$

素因数の和:314790

約数の個数: 32

約数和(自身を含む): 481601160

約数和(自身を除く): 280147720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 314771, 629542, 1259084, 1573855, 2518168, 3147710, 5036336, 6295420, 10072672, 12590840, 20145344, 25181680, 40290688, 50363360, 100726720, 201453440]

約数ペア:

[(1, 201453440), (2, 100726720), (4, 50363360), (5, 40290688), (8, 25181680), (10, 20145344), (16, 12590840), (20, 10072672), (32, 6295420), (40, 5036336), (64, 3147710), (80, 2518168), (128, 1573855), (160, 1259084), (320, 629542), (640, 314771)]