80906240

素因数分解:

$2^{11}\times 5^1\times {\mathrm{7901}}^1$

素因数の和:7928

約数の個数: 48

約数和(自身を含む): 194152140

約数和(自身を除く): 113245900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 7901, 10240, 15802, 31604, 39505, 63208, 79010, 126416, 158020, 252832, 316040, 505664, 632080, 1011328, 1264160, 2022656, 2528320, 4045312, 5056640, 8090624, 10113280, 16181248, 20226560, 40453120, 80906240]

約数ペア:

[(1, 80906240), (2, 40453120), (4, 20226560), (5, 16181248), (8, 10113280), (10, 8090624), (16, 5056640), (20, 4045312), (32, 2528320), (40, 2022656), (64, 1264160), (80, 1011328), (128, 632080), (160, 505664), (256, 316040), (320, 252832), (512, 158020), (640, 126416), (1024, 79010), (1280, 63208), (2048, 39505), (2560, 31604), (5120, 15802), (7901, 10240)]