164048840

素因数分解:

$2^3\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{3557}}^1$

素因数の和:4721

約数の個数: 32

約数和(自身を含む): 369533880

約数和(自身を除く): 205485040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1153, 2306, 3557, 4612, 5765, 7114, 9224, 11530, 14228, 17785, 23060, 28456, 35570, 46120, 71140, 142280, 4101221, 8202442, 16404884, 20506105, 32809768, 41012210, 82024420, 164048840]

約数ペア:

[(1, 164048840), (2, 82024420), (4, 41012210), (5, 32809768), (8, 20506105), (10, 16404884), (20, 8202442), (40, 4101221), (1153, 142280), (2306, 71140), (3557, 46120), (4612, 35570), (5765, 28456), (7114, 23060), (9224, 17785), (11530, 14228)]