134877440

素因数分解:

$2^8\times 5^1\times {\mathrm{105373}}^1$

素因数の和:105394

約数の個数: 36

約数和(自身を含む): 323076684

約数和(自身を除く): 188199244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 105373, 210746, 421492, 526865, 842984, 1053730, 1685968, 2107460, 3371936, 4214920, 6743872, 8429840, 13487744, 16859680, 26975488, 33719360, 67438720, 134877440]

約数ペア:

[(1, 134877440), (2, 67438720), (4, 33719360), (5, 26975488), (8, 16859680), (10, 13487744), (16, 8429840), (20, 6743872), (32, 4214920), (40, 3371936), (64, 2107460), (80, 1685968), (128, 1053730), (160, 842984), (256, 526865), (320, 421492), (640, 210746), (1280, 105373)]