18528049240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1\times {\mathrm{3881}}^1$

素因数の和:4045

約数の個数: 96

約数和(自身を含む): 43342685280

約数和(自身を除く): 24814636040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 284, 328, 355, 410, 568, 710, 820, 1420, 1640, 1681, 2840, 2911, 3362, 3881, 5822, 6724, 7762, 8405, 11644, 13448, 14555, 15524, 16810, 19405, 23288, 29110, 31048, 33620, 38810, 58220, 67240, 77620, 116440, 119351, 155240, 159121, 238702, 275551, 318242, 477404, 551102, 596755, 636484, 795605, 954808, 1102204, 1193510, 1272968, 1377755, 1591210, 2204408, 2387020, 2755510, 3182420, 4774040, 5511020, 6364840, 6523961, 11022040, 11297591, 13047922, 22595182, 26095844, 32619805, 45190364, 52191688, 56487955, 65239610, 90380728, 112975910, 130479220, 225951820, 260958440, 451903640, 463201231, 926402462, 1852804924, 2316006155, 3705609848, 4632012310, 9264024620, 18528049240]

約数ペア:

[(1, 18528049240), (2, 9264024620), (4, 4632012310), (5, 3705609848), (8, 2316006155), (10, 1852804924), (20, 926402462), (40, 463201231), (41, 451903640), (71, 260958440), (82, 225951820), (142, 130479220), (164, 112975910), (205, 90380728), (284, 65239610), (328, 56487955), (355, 52191688), (410, 45190364), (568, 32619805), (710, 26095844), (820, 22595182), (1420, 13047922), (1640, 11297591), (1681, 11022040), (2840, 6523961), (2911, 6364840), (3362, 5511020), (3881, 4774040), (5822, 3182420), (6724, 2755510), (7762, 2387020), (8405, 2204408), (11644, 1591210), (13448, 1377755), (14555, 1272968), (15524, 1193510), (16810, 1102204), (19405, 954808), (23288, 795605), (29110, 636484), (31048, 596755), (33620, 551102), (38810, 477404), (58220, 318242), (67240, 275551), (77620, 238702), (116440, 159121), (119351, 155240)]