80352404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 167106240

約数和(自身を除く): 86753836

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 71, 89, 142, 178, 187, 284, 289, 356, 374, 578, 748, 781, 979, 1156, 1207, 1513, 1562, 1958, 2414, 3026, 3124, 3179, 3916, 4828, 6052, 6319, 6358, 12638, 12716, 13277, 16643, 20519, 25276, 25721, 26554, 33286, 41038, 51442, 53108, 66572, 69509, 82076, 102884, 107423, 139018, 214846, 225709, 278036, 282931, 429692, 451418, 565862, 902836, 1131724, 1181653, 1826191, 2363306, 3652382, 4726612, 7304764, 20088101, 40176202, 80352404]

約数ペア:

[(1, 80352404), (2, 40176202), (4, 20088101), (11, 7304764), (17, 4726612), (22, 3652382), (34, 2363306), (44, 1826191), (68, 1181653), (71, 1131724), (89, 902836), (142, 565862), (178, 451418), (187, 429692), (284, 282931), (289, 278036), (356, 225709), (374, 214846), (578, 139018), (748, 107423), (781, 102884), (979, 82076), (1156, 69509), (1207, 66572), (1513, 53108), (1562, 51442), (1958, 41038), (2414, 33286), (3026, 26554), (3124, 25721), (3179, 25276), (3916, 20519), (4828, 16643), (6052, 13277), (6319, 12716), (6358, 12638)]