65151020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 156473856

約数和(自身を除く): 91322836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 71, 86, 97, 110, 142, 172, 194, 215, 220, 284, 355, 388, 430, 473, 485, 710, 781, 860, 946, 970, 1067, 1420, 1562, 1892, 1940, 2134, 2365, 3053, 3124, 3905, 4171, 4268, 4730, 5335, 6106, 6887, 7810, 8342, 9460, 10670, 12212, 13774, 15265, 15620, 16684, 20855, 21340, 27548, 30530, 33583, 34435, 41710, 45881, 61060, 67166, 68870, 75757, 83420, 91762, 134332, 137740, 151514, 167915, 183524, 229405, 296141, 303028, 335830, 378785, 458810, 592282, 671660, 757570, 917620, 1184564, 1480705, 1515140, 2961410, 3257551, 5922820, 6515102, 13030204, 16287755, 32575510, 65151020]

約数ペア:

[(1, 65151020), (2, 32575510), (4, 16287755), (5, 13030204), (10, 6515102), (11, 5922820), (20, 3257551), (22, 2961410), (43, 1515140), (44, 1480705), (55, 1184564), (71, 917620), (86, 757570), (97, 671660), (110, 592282), (142, 458810), (172, 378785), (194, 335830), (215, 303028), (220, 296141), (284, 229405), (355, 183524), (388, 167915), (430, 151514), (473, 137740), (485, 134332), (710, 91762), (781, 83420), (860, 75757), (946, 68870), (970, 67166), (1067, 61060), (1420, 45881), (1562, 41710), (1892, 34435), (1940, 33583), (2134, 30530), (2365, 27548), (3053, 21340), (3124, 20855), (3905, 16684), (4171, 15620), (4268, 15265), (4730, 13774), (5335, 12212), (6106, 10670), (6887, 9460), (7810, 8342)]