About the Number

2018642480

2018642479 ← → 2018642481

2進数表記:1111000010100100000101000110000

漢数字表記:二十億千八百六十四万二千四百八十

素因数分解:

2 4 × 5 1 × 47 1 × 257 1 × 2089 1

素因数の和:2406
約数の個数: 80
約数和(自身を含む): 4814156160
約数和(自身を除く): 2795513680

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 257, 376, 470, 514, 752, 940, 1028, 1285, 1880, 2056, 2089, 2570, 3760, 4112, 4178, 5140, 8356, 10280, 10445, 12079, 16712, 20560, 20890, 24158, 33424, 41780, 48316, 60395, 83560, 96632, 98183, 120790, 167120, 193264, 196366, 241580, 392732, 483160, 490915, 536873, 785464, 966320, 981830, 1073746, 1570928, 1963660, 2147492, 2684365, 3927320, 4294984, 5368730, 7854640, 8589968, 10737460, 21474920, 25233031, 42949840, 50466062, 100932124, 126165155, 201864248, 252330310, 403728496, 504660620, 1009321240, 2018642480]

約数ペア:
[(1, 2018642480), (2, 1009321240), (4, 504660620), (5, 403728496), (8, 252330310), (10, 201864248), (16, 126165155), (20, 100932124), (40, 50466062), (47, 42949840), (80, 25233031), (94, 21474920), (188, 10737460), (235, 8589968), (257, 7854640), (376, 5368730), (470, 4294984), (514, 3927320), (752, 2684365), (940, 2147492), (1028, 1963660), (1285, 1570928), (1880, 1073746), (2056, 981830), (2089, 966320), (2570, 785464), (3760, 536873), (4112, 490915), (4178, 483160), (5140, 392732), (8356, 241580), (10280, 196366), (10445, 193264), (12079, 167120), (16712, 120790), (20560, 98183), (20890, 96632), (24158, 83560), (33424, 60395), (41780, 48316)]

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