About the Number

12338820

12338819 ← → 12338821

2進数表記:101111000100011010000100

漢数字表記:千二百三十三万八千八百二十

素因数分解:

2 2 × 3 2 × 5 1 × 13 1 × 5273 1

素因数の和:5301
約数の個数: 72
約数和(自身を含む): 40314456
約数和(自身を除く): 27975636

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 5273, 10546, 15819, 21092, 26365, 31638, 47457, 52730, 63276, 68549, 79095, 94914, 105460, 137098, 158190, 189828, 205647, 237285, 274196, 316380, 342745, 411294, 474570, 616941, 685490, 822588, 949140, 1028235, 1233882, 1370980, 2056470, 2467764, 3084705, 4112940, 6169410, 12338820]

約数ペア:
[(1, 12338820), (2, 6169410), (3, 4112940), (4, 3084705), (5, 2467764), (6, 2056470), (9, 1370980), (10, 1233882), (12, 1028235), (13, 949140), (15, 822588), (18, 685490), (20, 616941), (26, 474570), (30, 411294), (36, 342745), (39, 316380), (45, 274196), (52, 237285), (60, 205647), (65, 189828), (78, 158190), (90, 137098), (117, 105460), (130, 94914), (156, 79095), (180, 68549), (195, 63276), (234, 52730), (260, 47457), (390, 31638), (468, 26365), (585, 21092), (780, 15819), (1170, 10546), (2340, 5273)]

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