About the Number

6390640

6390639 ← → 6390641

2進数表記:11000011000001101110000

漢数字表記:六百三十九万六百四十

素因数分解:

2 4 × 5 1 × 17 1 × 37 1 × 127 1

素因数の和:194
約数の個数: 80
約数和(自身を含む): 16284672
約数和(自身を除く): 9894032

約数列:
[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 127, 136, 148, 170, 185, 254, 272, 296, 340, 370, 508, 592, 629, 635, 680, 740, 1016, 1258, 1270, 1360, 1480, 2032, 2159, 2516, 2540, 2960, 3145, 4318, 4699, 5032, 5080, 6290, 8636, 9398, 10064, 10160, 10795, 12580, 17272, 18796, 21590, 23495, 25160, 34544, 37592, 43180, 46990, 50320, 75184, 79883, 86360, 93980, 159766, 172720, 187960, 319532, 375920, 399415, 639064, 798830, 1278128, 1597660, 3195320, 6390640]

約数ペア:
[(1, 6390640), (2, 3195320), (4, 1597660), (5, 1278128), (8, 798830), (10, 639064), (16, 399415), (17, 375920), (20, 319532), (34, 187960), (37, 172720), (40, 159766), (68, 93980), (74, 86360), (80, 79883), (85, 75184), (127, 50320), (136, 46990), (148, 43180), (170, 37592), (185, 34544), (254, 25160), (272, 23495), (296, 21590), (340, 18796), (370, 17272), (508, 12580), (592, 10795), (629, 10160), (635, 10064), (680, 9398), (740, 8636), (1016, 6290), (1258, 5080), (1270, 5032), (1360, 4699), (1480, 4318), (2032, 3145), (2159, 2960), (2516, 2540)]

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