39880570

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 74880000

約数和(自身を除く): 34999430

約数列:

[1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 515, 1030, 1249, 2498, 3193, 6245, 6386, 12490, 15965, 31930, 38719, 77438, 128647, 193595, 257294, 387190, 643235, 1286470, 3988057, 7976114, 19940285, 39880570]

約数ペア:

[(1, 39880570), (2, 19940285), (5, 7976114), (10, 3988057), (31, 1286470), (62, 643235), (103, 387190), (155, 257294), (206, 193595), (310, 128647), (515, 77438), (1030, 38719), (1249, 31930), (2498, 15965), (3193, 12490), (6245, 6386)]