201618820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8713}}^1$

素因数の和:8824

約数の個数: 48

約数和(自身を含む): 461144880

約数和(自身を除く): 259526060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 8713, 11570, 17426, 23140, 34852, 43565, 87130, 113269, 174260, 226538, 453076, 566345, 775457, 1132690, 1550914, 2265380, 3101828, 3877285, 7754570, 10080941, 15509140, 20161882, 40323764, 50404705, 100809410, 201618820]

約数ペア:

[(1, 201618820), (2, 100809410), (4, 50404705), (5, 40323764), (10, 20161882), (13, 15509140), (20, 10080941), (26, 7754570), (52, 3877285), (65, 3101828), (89, 2265380), (130, 1550914), (178, 1132690), (260, 775457), (356, 566345), (445, 453076), (890, 226538), (1157, 174260), (1780, 113269), (2314, 87130), (4628, 43565), (5785, 34852), (8713, 23140), (11570, 17426)]