About the Number
80981920
2進数表記:100110100111010111110100000
漢数字表記:八千九十八万千九百二十
素因数分解:
素因数の和:638
約数の個数: 96
約数和(自身を含む): 204664320
約数和(自身を除く): 123682400
約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 80, 116, 124, 145, 155, 160, 232, 248, 290, 310, 464, 496, 563, 580, 620, 899, 928, 992, 1126, 1160, 1240, 1798, 2252, 2320, 2480, 2815, 3596, 4495, 4504, 4640, 4960, 5630, 7192, 8990, 9008, 11260, 14384, 16327, 17453, 17980, 18016, 22520, 28768, 32654, 34906, 35960, 45040, 65308, 69812, 71920, 81635, 87265, 90080, 130616, 139624, 143840, 163270, 174530, 261232, 279248, 326540, 349060, 506137, 522464, 558496, 653080, 698120, 1012274, 1306160, 1396240, 2024548, 2530685, 2612320, 2792480, 4049096, 5061370, 8098192, 10122740, 16196384, 20245480, 40490960, 80981920]
約数ペア:
[(1, 80981920), (2, 40490960), (4, 20245480), (5, 16196384), (8, 10122740), (10, 8098192), (16, 5061370), (20, 4049096), (29, 2792480), (31, 2612320), (32, 2530685), (40, 2024548), (58, 1396240), (62, 1306160), (80, 1012274), (116, 698120), (124, 653080), (145, 558496), (155, 522464), (160, 506137), (232, 349060), (248, 326540), (290, 279248), (310, 261232), (464, 174530), (496, 163270), (563, 143840), (580, 139624), (620, 130616), (899, 90080), (928, 87265), (992, 81635), (1126, 71920), (1160, 69812), (1240, 65308), (1798, 45040), (2252, 35960), (2320, 34906), (2480, 32654), (2815, 28768), (3596, 22520), (4495, 18016), (4504, 17980), (4640, 17453), (4960, 16327), (5630, 14384), (7192, 11260), (8990, 9008)]このpageの処理時間: 0.010563135147094727 seconds