27603669980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2089}}^1\times {\mathrm{10831}}^1$

素因数の和:12990

約数の個数: 48

約数和(自身を含む): 58951643520

約数和(自身を除く): 31347973540

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2089, 4178, 8356, 10445, 10831, 20890, 21662, 41780, 43324, 54155, 108310, 127429, 216620, 254858, 509716, 637145, 660691, 1274290, 1321382, 2548580, 2642764, 3303455, 6606910, 13213820, 22625959, 45251918, 90503836, 113129795, 226259590, 452519180, 1380183499, 2760366998, 5520733996, 6900917495, 13801834990, 27603669980]

約数ペア:

[(1, 27603669980), (2, 13801834990), (4, 6900917495), (5, 5520733996), (10, 2760366998), (20, 1380183499), (61, 452519180), (122, 226259590), (244, 113129795), (305, 90503836), (610, 45251918), (1220, 22625959), (2089, 13213820), (4178, 6606910), (8356, 3303455), (10445, 2642764), (10831, 2548580), (20890, 1321382), (21662, 1274290), (41780, 660691), (43324, 637145), (54155, 509716), (108310, 254858), (127429, 216620)]