About the Number

80398128

80398127 ← → 80398129

2進数表記:100110010101100011100110000

漢数字表記:八千三十九万八千百二十八

素因数分解:

2 4 × 3 1 × 31 1 × 71 1 × 761 1

素因数の和:874
約数の個数: 80
約数和(自身を含む): 217700352
約数和(自身を除く): 137302224

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 71, 93, 124, 142, 186, 213, 248, 284, 372, 426, 496, 568, 744, 761, 852, 1136, 1488, 1522, 1704, 2201, 2283, 3044, 3408, 4402, 4566, 6088, 6603, 8804, 9132, 12176, 13206, 17608, 18264, 23591, 26412, 35216, 36528, 47182, 52824, 54031, 70773, 94364, 105648, 108062, 141546, 162093, 188728, 216124, 283092, 324186, 377456, 432248, 566184, 648372, 864496, 1132368, 1296744, 1674961, 2593488, 3349922, 5024883, 6699844, 10049766, 13399688, 20099532, 26799376, 40199064, 80398128]

約数ペア:
[(1, 80398128), (2, 40199064), (3, 26799376), (4, 20099532), (6, 13399688), (8, 10049766), (12, 6699844), (16, 5024883), (24, 3349922), (31, 2593488), (48, 1674961), (62, 1296744), (71, 1132368), (93, 864496), (124, 648372), (142, 566184), (186, 432248), (213, 377456), (248, 324186), (284, 283092), (372, 216124), (426, 188728), (496, 162093), (568, 141546), (744, 108062), (761, 105648), (852, 94364), (1136, 70773), (1488, 54031), (1522, 52824), (1704, 47182), (2201, 36528), (2283, 35216), (3044, 26412), (3408, 23591), (4402, 18264), (4566, 17608), (6088, 13206), (6603, 12176), (8804, 9132)]

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