About the Number

12988890840

12988890839 ← → 12988890841

2進数表記:1100000110001100101011111011011000

漢数字表記:百二十九億八千八百八十九万八百四十

素因数分解:

2 3 × 3 1 × 5 1 × 3637 1 × 29761 1

素因数の和:33412
約数の個数: 64
約数和(自身を含む): 38978696160
約数和(自身を除く): 25989805320

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 3637, 7274, 10911, 14548, 18185, 21822, 29096, 29761, 36370, 43644, 54555, 59522, 72740, 87288, 89283, 109110, 119044, 145480, 148805, 178566, 218220, 238088, 297610, 357132, 436440, 446415, 595220, 714264, 892830, 1190440, 1785660, 3571320, 108240757, 216481514, 324722271, 432963028, 541203785, 649444542, 865926056, 1082407570, 1298889084, 1623611355, 2164815140, 2597778168, 3247222710, 4329630280, 6494445420, 12988890840]

約数ペア:
[(1, 12988890840), (2, 6494445420), (3, 4329630280), (4, 3247222710), (5, 2597778168), (6, 2164815140), (8, 1623611355), (10, 1298889084), (12, 1082407570), (15, 865926056), (20, 649444542), (24, 541203785), (30, 432963028), (40, 324722271), (60, 216481514), (120, 108240757), (3637, 3571320), (7274, 1785660), (10911, 1190440), (14548, 892830), (18185, 714264), (21822, 595220), (29096, 446415), (29761, 436440), (36370, 357132), (43644, 297610), (54555, 238088), (59522, 218220), (72740, 178566), (87288, 148805), (89283, 145480), (109110, 119044)]

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