64134920

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{6653}}^1$

素因数の和:6905

約数の個数: 32

約数和(自身を含む): 144924120

約数和(自身を除く): 80789200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 6653, 9640, 13306, 26612, 33265, 53224, 66530, 133060, 266120, 1603373, 3206746, 6413492, 8016865, 12826984, 16033730, 32067460, 64134920]

約数ペア:

[(1, 64134920), (2, 32067460), (4, 16033730), (5, 12826984), (8, 8016865), (10, 6413492), (20, 3206746), (40, 1603373), (241, 266120), (482, 133060), (964, 66530), (1205, 53224), (1928, 33265), (2410, 26612), (4820, 13306), (6653, 9640)]