808353520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25073}}^1$

素因数の和:25130

約数の個数: 80

約数和(自身を含む): 2089366272

約数和(自身を除く): 1281012752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 25073, 32240, 50146, 100292, 125365, 200584, 250730, 325949, 401168, 501460, 651898, 777263, 1002920, 1303796, 1554526, 1629745, 2005840, 2607592, 3109052, 3259490, 3886315, 5215184, 6218104, 6518980, 7772630, 10104419, 12436208, 13037960, 15545260, 20208838, 26075920, 31090520, 40417676, 50522095, 62181040, 80835352, 101044190, 161670704, 202088380, 404176760, 808353520]

約数ペア:

[(1, 808353520), (2, 404176760), (4, 202088380), (5, 161670704), (8, 101044190), (10, 80835352), (13, 62181040), (16, 50522095), (20, 40417676), (26, 31090520), (31, 26075920), (40, 20208838), (52, 15545260), (62, 13037960), (65, 12436208), (80, 10104419), (104, 7772630), (124, 6518980), (130, 6218104), (155, 5215184), (208, 3886315), (248, 3259490), (260, 3109052), (310, 2607592), (403, 2005840), (496, 1629745), (520, 1554526), (620, 1303796), (806, 1002920), (1040, 777263), (1240, 651898), (1612, 501460), (2015, 401168), (2480, 325949), (3224, 250730), (4030, 200584), (6448, 125365), (8060, 100292), (16120, 50146), (25073, 32240)]