16511560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 40506480

約数和(自身を除く): 23994920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 113, 130, 226, 260, 281, 452, 520, 562, 565, 904, 1124, 1130, 1405, 1469, 2248, 2260, 2810, 2938, 3653, 4520, 5620, 5876, 7306, 7345, 11240, 11752, 14612, 14690, 18265, 29224, 29380, 31753, 36530, 58760, 63506, 73060, 127012, 146120, 158765, 254024, 317530, 412789, 635060, 825578, 1270120, 1651156, 2063945, 3302312, 4127890, 8255780, 16511560]

約数ペア:

[(1, 16511560), (2, 8255780), (4, 4127890), (5, 3302312), (8, 2063945), (10, 1651156), (13, 1270120), (20, 825578), (26, 635060), (40, 412789), (52, 317530), (65, 254024), (104, 158765), (113, 146120), (130, 127012), (226, 73060), (260, 63506), (281, 58760), (452, 36530), (520, 31753), (562, 29380), (565, 29224), (904, 18265), (1124, 14690), (1130, 14612), (1405, 11752), (1469, 11240), (2248, 7345), (2260, 7306), (2810, 5876), (2938, 5620), (3653, 4520)]