26060980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^4\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 60

約数和(自身を含む): 60876900

約数和(自身を除く): 34815920

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 121, 178, 220, 242, 356, 445, 484, 605, 890, 979, 1210, 1331, 1780, 1958, 2420, 2662, 3916, 4895, 5324, 6655, 9790, 10769, 13310, 14641, 19580, 21538, 26620, 29282, 43076, 53845, 58564, 73205, 107690, 118459, 146410, 215380, 236918, 292820, 473836, 592295, 1184590, 1303049, 2369180, 2606098, 5212196, 6515245, 13030490, 26060980]

約数ペア:

[(1, 26060980), (2, 13030490), (4, 6515245), (5, 5212196), (10, 2606098), (11, 2369180), (20, 1303049), (22, 1184590), (44, 592295), (55, 473836), (89, 292820), (110, 236918), (121, 215380), (178, 146410), (220, 118459), (242, 107690), (356, 73205), (445, 58564), (484, 53845), (605, 43076), (890, 29282), (979, 26620), (1210, 21538), (1331, 19580), (1780, 14641), (1958, 13310), (2420, 10769), (2662, 9790), (3916, 6655), (4895, 5324)]