About the Number

81278230

81278229 ← → 81278231

2進数表記:100110110000011010100010110

漢数字表記:八千百二十七万八千二百三十

素因数分解:

2 1 × 5 1 × 11 1 × 61 1 × 12113 1

素因数の和:12192
約数の個数: 32
約数和(自身を含む): 162230688
約数和(自身を除く): 80952458

約数列:
[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3355, 6710, 12113, 24226, 60565, 121130, 133243, 266486, 666215, 738893, 1332430, 1477786, 3694465, 7388930, 8127823, 16255646, 40639115, 81278230]

約数ペア:
[(1, 81278230), (2, 40639115), (5, 16255646), (10, 8127823), (11, 7388930), (22, 3694465), (55, 1477786), (61, 1332430), (110, 738893), (122, 666215), (305, 266486), (610, 133243), (671, 121130), (1342, 60565), (3355, 24226), (6710, 12113)]

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