42163720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 100684800

約数和(自身を除く): 58521080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 919, 1147, 1240, 1480, 1838, 2294, 3676, 4588, 4595, 5735, 7352, 9176, 9190, 11470, 18380, 22940, 28489, 34003, 36760, 45880, 56978, 68006, 113956, 136012, 142445, 170015, 227912, 272024, 284890, 340030, 569780, 680060, 1054093, 1139560, 1360120, 2108186, 4216372, 5270465, 8432744, 10540930, 21081860, 42163720]

約数ペア:

[(1, 42163720), (2, 21081860), (4, 10540930), (5, 8432744), (8, 5270465), (10, 4216372), (20, 2108186), (31, 1360120), (37, 1139560), (40, 1054093), (62, 680060), (74, 569780), (124, 340030), (148, 284890), (155, 272024), (185, 227912), (248, 170015), (296, 142445), (310, 136012), (370, 113956), (620, 68006), (740, 56978), (919, 45880), (1147, 36760), (1240, 34003), (1480, 28489), (1838, 22940), (2294, 18380), (3676, 11470), (4588, 9190), (4595, 9176), (5735, 7352)]