47840980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 112814856

約数和(自身を除く): 64973876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 121, 212, 220, 242, 265, 373, 484, 530, 583, 605, 746, 1060, 1166, 1210, 1492, 1865, 2332, 2420, 2915, 3730, 4103, 5830, 6413, 7460, 8206, 11660, 12826, 16412, 19769, 20515, 25652, 32065, 39538, 41030, 45133, 64130, 79076, 82060, 90266, 98845, 128260, 180532, 197690, 217459, 225665, 395380, 434918, 451330, 869836, 902660, 1087295, 2174590, 2392049, 4349180, 4784098, 9568196, 11960245, 23920490, 47840980]

約数ペア:

[(1, 47840980), (2, 23920490), (4, 11960245), (5, 9568196), (10, 4784098), (11, 4349180), (20, 2392049), (22, 2174590), (44, 1087295), (53, 902660), (55, 869836), (106, 451330), (110, 434918), (121, 395380), (212, 225665), (220, 217459), (242, 197690), (265, 180532), (373, 128260), (484, 98845), (530, 90266), (583, 82060), (605, 79076), (746, 64130), (1060, 45133), (1166, 41030), (1210, 39538), (1492, 32065), (1865, 25652), (2332, 20515), (2420, 19769), (2915, 16412), (3730, 12826), (4103, 11660), (5830, 8206), (6413, 7460)]