78054520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{26731}}^1$

素因数の和:26815

約数の個数: 32

約数和(自身を含む): 178035120

約数和(自身を除く): 99980600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 26731, 53462, 106924, 133655, 213848, 267310, 534620, 1069240, 1951363, 3902726, 7805452, 9756815, 15610904, 19513630, 39027260, 78054520]

約数ペア:

[(1, 78054520), (2, 39027260), (4, 19513630), (5, 15610904), (8, 9756815), (10, 7805452), (20, 3902726), (40, 1951363), (73, 1069240), (146, 534620), (292, 267310), (365, 213848), (584, 133655), (730, 106924), (1460, 53462), (2920, 26731)]