29126724280

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1997}}^1\times {\mathrm{2237}}^1$

素因数の和:4408

約数の個数: 64

約数和(自身を含む): 65999694240

約数和(自身を除く): 36872969960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 1997, 2237, 3260, 3994, 4474, 6520, 7988, 8948, 9985, 11185, 15976, 17896, 19970, 22370, 39940, 44740, 79880, 89480, 325511, 364631, 651022, 729262, 1302044, 1458524, 1627555, 1823155, 2604088, 2917048, 3255110, 3646310, 4467289, 6510220, 7292620, 8934578, 13020440, 14585240, 17869156, 22336445, 35738312, 44672890, 89345780, 178691560, 728168107, 1456336214, 2912672428, 3640840535, 5825344856, 7281681070, 14563362140, 29126724280]

約数ペア:

[(1, 29126724280), (2, 14563362140), (4, 7281681070), (5, 5825344856), (8, 3640840535), (10, 2912672428), (20, 1456336214), (40, 728168107), (163, 178691560), (326, 89345780), (652, 44672890), (815, 35738312), (1304, 22336445), (1630, 17869156), (1997, 14585240), (2237, 13020440), (3260, 8934578), (3994, 7292620), (4474, 6510220), (6520, 4467289), (7988, 3646310), (8948, 3255110), (9985, 2917048), (11185, 2604088), (15976, 1823155), (17896, 1627555), (19970, 1458524), (22370, 1302044), (39940, 729262), (44740, 651022), (79880, 364631), (89480, 325511)]