About the Number

112403980

112403979 ← → 112403981

2進数表記:110101100110010011000001100

漢数字表記:一億千二百四十万三千九百八十

素因数分解:

2 2 × 5 1 × 13 1 × 432323 1

素因数の和:432345
約数の個数: 24
約数和(自身を含む): 254206512
約数和(自身を除く): 141802532

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 432323, 864646, 1729292, 2161615, 4323230, 5620199, 8646460, 11240398, 22480796, 28100995, 56201990, 112403980]

約数ペア:
[(1, 112403980), (2, 56201990), (4, 28100995), (5, 22480796), (10, 11240398), (13, 8646460), (20, 5620199), (26, 4323230), (52, 2161615), (65, 1729292), (130, 864646), (260, 432323)]

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