About the Number

12548640

12548639 ← → 12548641

2進数表記:101111110111101000100000

漢数字表記:千二百五十四万八千六百四十

素因数分解:

2 5 × 3 1 × 5 1 × 13 1 × 2011 1

素因数の和:2042
約数の個数: 96
約数和(自身を含む): 42590016
約数和(自身を除く): 30041376

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2011, 2080, 3120, 4022, 6033, 6240, 8044, 10055, 12066, 16088, 20110, 24132, 26143, 30165, 32176, 40220, 48264, 52286, 60330, 64352, 78429, 80440, 96528, 104572, 120660, 130715, 156858, 160880, 193056, 209144, 241320, 261430, 313716, 321760, 392145, 418288, 482640, 522860, 627432, 784290, 836576, 965280, 1045720, 1254864, 1568580, 2091440, 2509728, 3137160, 4182880, 6274320, 12548640]

約数ペア:
[(1, 12548640), (2, 6274320), (3, 4182880), (4, 3137160), (5, 2509728), (6, 2091440), (8, 1568580), (10, 1254864), (12, 1045720), (13, 965280), (15, 836576), (16, 784290), (20, 627432), (24, 522860), (26, 482640), (30, 418288), (32, 392145), (39, 321760), (40, 313716), (48, 261430), (52, 241320), (60, 209144), (65, 193056), (78, 160880), (80, 156858), (96, 130715), (104, 120660), (120, 104572), (130, 96528), (156, 80440), (160, 78429), (195, 64352), (208, 60330), (240, 52286), (260, 48264), (312, 40220), (390, 32176), (416, 30165), (480, 26143), (520, 24132), (624, 20110), (780, 16088), (1040, 12066), (1248, 10055), (1560, 8044), (2011, 6240), (2080, 6033), (3120, 4022)]

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