About the Number

40305890

40305889 ← → 40305891

2進数表記:10011001110000010011100010

漢数字表記:四千三十万五千八百九十

素因数分解:

2 1 × 5 1 × 23 1 × 31 1 × 5653 1

素因数の和:5714
約数の個数: 32
約数和(自身を含む): 78160896
約数和(自身を除く): 37855006

約数列:
[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 3565, 5653, 7130, 11306, 28265, 56530, 130019, 175243, 260038, 350486, 650095, 876215, 1300190, 1752430, 4030589, 8061178, 20152945, 40305890]

約数ペア:
[(1, 40305890), (2, 20152945), (5, 8061178), (10, 4030589), (23, 1752430), (31, 1300190), (46, 876215), (62, 650095), (115, 350486), (155, 260038), (230, 175243), (310, 130019), (713, 56530), (1426, 28265), (3565, 11306), (5653, 7130)]

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