78819560

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{26993}}^1$

素因数の和:27077

約数の個数: 32

約数和(自身を含む): 179780040

約数和(自身を除く): 100960480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 26993, 53986, 107972, 134965, 215944, 269930, 539860, 1079720, 1970489, 3940978, 7881956, 9852445, 15763912, 19704890, 39409780, 78819560]

約数ペア:

[(1, 78819560), (2, 39409780), (4, 19704890), (5, 15763912), (8, 9852445), (10, 7881956), (20, 3940978), (40, 1970489), (73, 1079720), (146, 539860), (292, 269930), (365, 215944), (584, 134965), (730, 107972), (1460, 53986), (2920, 26993)]