47871980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1823}}^1$

素因数の和:1946

約数の個数: 48

約数和(自身を含む): 109396224

約数和(自身を除く): 61524244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 1823, 2020, 2626, 3646, 5252, 6565, 7292, 9115, 13130, 18230, 23699, 26260, 36460, 47398, 94796, 118495, 184123, 236990, 368246, 473980, 736492, 920615, 1841230, 2393599, 3682460, 4787198, 9574396, 11967995, 23935990, 47871980]

約数ペア:

[(1, 47871980), (2, 23935990), (4, 11967995), (5, 9574396), (10, 4787198), (13, 3682460), (20, 2393599), (26, 1841230), (52, 920615), (65, 736492), (101, 473980), (130, 368246), (202, 236990), (260, 184123), (404, 118495), (505, 94796), (1010, 47398), (1313, 36460), (1823, 26260), (2020, 23699), (2626, 18230), (3646, 13130), (5252, 9115), (6565, 7292)]