2019945773680

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{821}}^1\times {\mathrm{188677}}^1$

素因数の和:189674

約数の個数: 80

約数和(自身を含む): 4730966511264

約数和(自身を除く): 2711020737584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 821, 1304, 1630, 1642, 2608, 3260, 3284, 4105, 6520, 6568, 8210, 13040, 13136, 16420, 32840, 65680, 133823, 188677, 267646, 377354, 535292, 669115, 754708, 943385, 1070584, 1338230, 1509416, 1886770, 2141168, 2676460, 3018832, 3773540, 5352920, 7547080, 10705840, 15094160, 30754351, 61508702, 123017404, 153771755, 154903817, 246034808, 307543510, 309807634, 492069616, 615087020, 619615268, 774519085, 1230174040, 1239230536, 1549038170, 2460348080, 2478461072, 3098076340, 6196152680, 12392305360, 25249322171, 50498644342, 100997288684, 126246610855, 201994577368, 252493221710, 403989154736, 504986443420, 1009972886840, 2019945773680]

約数ペア:

[(1, 2019945773680), (2, 1009972886840), (4, 504986443420), (5, 403989154736), (8, 252493221710), (10, 201994577368), (16, 126246610855), (20, 100997288684), (40, 50498644342), (80, 25249322171), (163, 12392305360), (326, 6196152680), (652, 3098076340), (815, 2478461072), (821, 2460348080), (1304, 1549038170), (1630, 1239230536), (1642, 1230174040), (2608, 774519085), (3260, 619615268), (3284, 615087020), (4105, 492069616), (6520, 309807634), (6568, 307543510), (8210, 246034808), (13040, 154903817), (13136, 153771755), (16420, 123017404), (32840, 61508702), (65680, 30754351), (133823, 15094160), (188677, 10705840), (267646, 7547080), (377354, 5352920), (535292, 3773540), (669115, 3018832), (754708, 2676460), (943385, 2141168), (1070584, 1886770), (1338230, 1509416)]