87683420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9721}}^1$

素因数の和:9782

約数の個数: 48

約数和(自身を含む): 205795296

約数和(自身を除く): 118111876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 9721, 19442, 38884, 48605, 97210, 106931, 194420, 213862, 398561, 427724, 534655, 797122, 1069310, 1594244, 1992805, 2138620, 3985610, 4384171, 7971220, 8768342, 17536684, 21920855, 43841710, 87683420]

約数ペア:

[(1, 87683420), (2, 43841710), (4, 21920855), (5, 17536684), (10, 8768342), (11, 7971220), (20, 4384171), (22, 3985610), (41, 2138620), (44, 1992805), (55, 1594244), (82, 1069310), (110, 797122), (164, 534655), (205, 427724), (220, 398561), (410, 213862), (451, 194420), (820, 106931), (902, 97210), (1804, 48605), (2255, 38884), (4510, 19442), (9020, 9721)]