25948780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 65818368

約数和(自身を除く): 39869588

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 43, 44, 52, 55, 65, 86, 110, 130, 143, 172, 211, 215, 220, 260, 286, 422, 430, 473, 559, 572, 715, 844, 860, 946, 1055, 1118, 1430, 1892, 2110, 2236, 2321, 2365, 2743, 2795, 2860, 4220, 4642, 4730, 5486, 5590, 6149, 9073, 9284, 9460, 10972, 11180, 11605, 12298, 13715, 18146, 23210, 24596, 27430, 30173, 30745, 36292, 45365, 46420, 54860, 60346, 61490, 90730, 99803, 117949, 120692, 122980, 150865, 181460, 199606, 235898, 301730, 399212, 471796, 499015, 589745, 603460, 998030, 1179490, 1297439, 1996060, 2358980, 2594878, 5189756, 6487195, 12974390, 25948780]

約数ペア:

[(1, 25948780), (2, 12974390), (4, 6487195), (5, 5189756), (10, 2594878), (11, 2358980), (13, 1996060), (20, 1297439), (22, 1179490), (26, 998030), (43, 603460), (44, 589745), (52, 499015), (55, 471796), (65, 399212), (86, 301730), (110, 235898), (130, 199606), (143, 181460), (172, 150865), (211, 122980), (215, 120692), (220, 117949), (260, 99803), (286, 90730), (422, 61490), (430, 60346), (473, 54860), (559, 46420), (572, 45365), (715, 36292), (844, 30745), (860, 30173), (946, 27430), (1055, 24596), (1118, 23210), (1430, 18146), (1892, 13715), (2110, 12298), (2236, 11605), (2321, 11180), (2365, 10972), (2743, 9460), (2795, 9284), (2860, 9073), (4220, 6149), (4642, 5590), (4730, 5486)]