101221520

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{23873}}^1$

素因数の和:23939

約数の個数: 40

約数和(自身を含む): 239790456

約数和(自身を除く): 138568936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 23873, 47746, 95492, 119365, 190984, 238730, 381968, 477460, 954920, 1265269, 1909840, 2530538, 5061076, 6326345, 10122152, 12652690, 20244304, 25305380, 50610760, 101221520]

約数ペア:

[(1, 101221520), (2, 50610760), (4, 25305380), (5, 20244304), (8, 12652690), (10, 10122152), (16, 6326345), (20, 5061076), (40, 2530538), (53, 1909840), (80, 1265269), (106, 954920), (212, 477460), (265, 381968), (424, 238730), (530, 190984), (848, 119365), (1060, 95492), (2120, 47746), (4240, 23873)]