83799880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1553}}^1$

素因数の和:1654

約数の個数: 64

約数和(自身を含む): 201398400

約数和(自身を除く): 117598520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 1553, 2698, 2840, 3106, 5396, 6212, 6745, 7765, 10792, 12424, 13490, 15530, 26980, 29507, 31060, 53960, 59014, 62120, 110263, 118028, 147535, 220526, 236056, 295070, 441052, 551315, 590140, 882104, 1102630, 1180280, 2094997, 2205260, 4189994, 4410520, 8379988, 10474985, 16759976, 20949970, 41899940, 83799880]

約数ペア:

[(1, 83799880), (2, 41899940), (4, 20949970), (5, 16759976), (8, 10474985), (10, 8379988), (19, 4410520), (20, 4189994), (38, 2205260), (40, 2094997), (71, 1180280), (76, 1102630), (95, 882104), (142, 590140), (152, 551315), (190, 441052), (284, 295070), (355, 236056), (380, 220526), (568, 147535), (710, 118028), (760, 110263), (1349, 62120), (1420, 59014), (1553, 53960), (2698, 31060), (2840, 29507), (3106, 26980), (5396, 15530), (6212, 13490), (6745, 12424), (7765, 10792)]