About the Number

128580090

128580089 ← → 128580091

2進数表記:111101010011111100111111010

漢数字表記:一億二千八百五十八万九十

素因数分解:

2 1 × 3 1 × 5 1 × 1013 1 × 4231 1

素因数の和:5254
約数の個数: 32
約数和(自身を含む): 308969856
約数和(自身を除く): 180389766

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 1013, 2026, 3039, 4231, 5065, 6078, 8462, 10130, 12693, 15195, 21155, 25386, 30390, 42310, 63465, 126930, 4286003, 8572006, 12858009, 21430015, 25716018, 42860030, 64290045, 128580090]

約数ペア:
[(1, 128580090), (2, 64290045), (3, 42860030), (5, 25716018), (6, 21430015), (10, 12858009), (15, 8572006), (30, 4286003), (1013, 126930), (2026, 63465), (3039, 42310), (4231, 30390), (5065, 25386), (6078, 21155), (8462, 15195), (10130, 12693)]

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