260102020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{6397}}^1$

素因数の和:6532

約数の個数: 48

約数和(自身を含む): 580426560

約数和(自身を除く): 320324540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 428, 535, 1070, 2033, 2140, 4066, 6397, 8132, 10165, 12794, 20330, 25588, 31985, 40660, 63970, 121543, 127940, 243086, 486172, 607715, 684479, 1215430, 1368958, 2430860, 2737916, 3422395, 6844790, 13005101, 13689580, 26010202, 52020404, 65025505, 130051010, 260102020]

約数ペア:

[(1, 260102020), (2, 130051010), (4, 65025505), (5, 52020404), (10, 26010202), (19, 13689580), (20, 13005101), (38, 6844790), (76, 3422395), (95, 2737916), (107, 2430860), (190, 1368958), (214, 1215430), (380, 684479), (428, 607715), (535, 486172), (1070, 243086), (2033, 127940), (2140, 121543), (4066, 63970), (6397, 40660), (8132, 31985), (10165, 25588), (12794, 20330)]