28565536780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2213}}^1\times {\mathrm{2551}}^1$

素因数の和:4807

約数の個数: 96

約数和(自身を含む): 68343948288

約数和(自身を除く): 39778411508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2213, 2530, 2551, 4426, 5060, 5102, 8852, 10204, 11065, 12755, 22130, 24343, 25510, 28061, 44260, 48686, 50899, 51020, 56122, 58673, 97372, 101798, 112244, 117346, 121715, 140305, 203596, 234692, 243430, 254495, 280610, 293365, 486860, 508990, 559889, 561220, 586730, 645403, 1017980, 1119778, 1173460, 1290806, 2239556, 2581612, 2799445, 3227015, 5598890, 5645363, 6454030, 11197780, 11290726, 12908060, 22581452, 28226815, 56453630, 62098993, 112907260, 124197986, 129843349, 248395972, 259686698, 310494965, 519373396, 620989930, 649216745, 1241979860, 1298433490, 1428276839, 2596866980, 2856553678, 5713107356, 7141384195, 14282768390, 28565536780]

約数ペア:

[(1, 28565536780), (2, 14282768390), (4, 7141384195), (5, 5713107356), (10, 2856553678), (11, 2596866980), (20, 1428276839), (22, 1298433490), (23, 1241979860), (44, 649216745), (46, 620989930), (55, 519373396), (92, 310494965), (110, 259686698), (115, 248395972), (220, 129843349), (230, 124197986), (253, 112907260), (460, 62098993), (506, 56453630), (1012, 28226815), (1265, 22581452), (2213, 12908060), (2530, 11290726), (2551, 11197780), (4426, 6454030), (5060, 5645363), (5102, 5598890), (8852, 3227015), (10204, 2799445), (11065, 2581612), (12755, 2239556), (22130, 1290806), (24343, 1173460), (25510, 1119778), (28061, 1017980), (44260, 645403), (48686, 586730), (50899, 561220), (51020, 559889), (56122, 508990), (58673, 486860), (97372, 293365), (101798, 280610), (112244, 254495), (117346, 243430), (121715, 234692), (140305, 203596)]