26743420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 63412272

約数和(自身を除く): 36668852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 172, 215, 220, 242, 257, 430, 473, 484, 514, 605, 860, 946, 1028, 1210, 1285, 1892, 2365, 2420, 2570, 2827, 4730, 5140, 5203, 5654, 9460, 10406, 11051, 11308, 14135, 20812, 22102, 26015, 28270, 31097, 44204, 52030, 55255, 56540, 62194, 104060, 110510, 121561, 124388, 155485, 221020, 243122, 310970, 486244, 607805, 621940, 1215610, 1337171, 2431220, 2674342, 5348684, 6685855, 13371710, 26743420]

約数ペア:

[(1, 26743420), (2, 13371710), (4, 6685855), (5, 5348684), (10, 2674342), (11, 2431220), (20, 1337171), (22, 1215610), (43, 621940), (44, 607805), (55, 486244), (86, 310970), (110, 243122), (121, 221020), (172, 155485), (215, 124388), (220, 121561), (242, 110510), (257, 104060), (430, 62194), (473, 56540), (484, 55255), (514, 52030), (605, 44204), (860, 31097), (946, 28270), (1028, 26015), (1210, 22102), (1285, 20812), (1892, 14135), (2365, 11308), (2420, 11051), (2570, 10406), (2827, 9460), (4730, 5654), (5140, 5203)]