50991980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4561}}^1$

素因数の和:4626

約数の個数: 48

約数和(自身を含む): 118028064

約数和(自身を除く): 67036084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 4561, 5590, 9122, 11180, 18244, 22805, 45610, 59293, 91220, 118586, 196123, 237172, 296465, 392246, 592930, 784492, 980615, 1185860, 1961230, 2549599, 3922460, 5099198, 10198396, 12747995, 25495990, 50991980]

約数ペア:

[(1, 50991980), (2, 25495990), (4, 12747995), (5, 10198396), (10, 5099198), (13, 3922460), (20, 2549599), (26, 1961230), (43, 1185860), (52, 980615), (65, 784492), (86, 592930), (130, 392246), (172, 296465), (215, 237172), (260, 196123), (430, 118586), (559, 91220), (860, 59293), (1118, 45610), (2236, 22805), (2795, 18244), (4561, 11180), (5590, 9122)]