About the Number

38387920

38387919 ← → 38387921

2進数表記:10010010011100000011010000

漢数字表記:三千八百三十八万七千九百二十

素因数分解:

2 4 × 5 1 × 23 1 × 31 1 × 673 1

素因数の和:740
約数の個数: 80
約数和(自身を含む): 96279552
約数和(自身を除く): 57891632

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 673, 713, 920, 1240, 1346, 1426, 1840, 2480, 2692, 2852, 3365, 3565, 5384, 5704, 6730, 7130, 10768, 11408, 13460, 14260, 15479, 20863, 26920, 28520, 30958, 41726, 53840, 57040, 61916, 77395, 83452, 104315, 123832, 154790, 166904, 208630, 247664, 309580, 333808, 417260, 479849, 619160, 834520, 959698, 1238320, 1669040, 1919396, 2399245, 3838792, 4798490, 7677584, 9596980, 19193960, 38387920]

約数ペア:
[(1, 38387920), (2, 19193960), (4, 9596980), (5, 7677584), (8, 4798490), (10, 3838792), (16, 2399245), (20, 1919396), (23, 1669040), (31, 1238320), (40, 959698), (46, 834520), (62, 619160), (80, 479849), (92, 417260), (115, 333808), (124, 309580), (155, 247664), (184, 208630), (230, 166904), (248, 154790), (310, 123832), (368, 104315), (460, 83452), (496, 77395), (620, 61916), (673, 57040), (713, 53840), (920, 41726), (1240, 30958), (1346, 28520), (1426, 26920), (1840, 20863), (2480, 15479), (2692, 14260), (2852, 13460), (3365, 11408), (3565, 10768), (5384, 7130), (5704, 6730)]

このpageの処理時間: 0.005602121353149414 seconds