About the Number

8100920

8100919 ← → 8100921

2進数表記:11110111001110000111000

漢数字表記:八百十万九百二十

素因数分解:

2 3 × 5 1 × 31 1 × 47 1 × 139 1

素因数の和:228
約数の個数: 64
約数和(自身を含む): 19353600
約数和(自身を除く): 11252680

約数列:
[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 139, 155, 188, 235, 248, 278, 310, 376, 470, 556, 620, 695, 940, 1112, 1240, 1390, 1457, 1880, 2780, 2914, 4309, 5560, 5828, 6533, 7285, 8618, 11656, 13066, 14570, 17236, 21545, 26132, 29140, 32665, 34472, 43090, 52264, 58280, 65330, 86180, 130660, 172360, 202523, 261320, 405046, 810092, 1012615, 1620184, 2025230, 4050460, 8100920]

約数ペア:
[(1, 8100920), (2, 4050460), (4, 2025230), (5, 1620184), (8, 1012615), (10, 810092), (20, 405046), (31, 261320), (40, 202523), (47, 172360), (62, 130660), (94, 86180), (124, 65330), (139, 58280), (155, 52264), (188, 43090), (235, 34472), (248, 32665), (278, 29140), (310, 26132), (376, 21545), (470, 17236), (556, 14570), (620, 13066), (695, 11656), (940, 8618), (1112, 7285), (1240, 6533), (1390, 5828), (1457, 5560), (1880, 4309), (2780, 2914)]

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