16885700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 40830720

約数和(自身を除く): 23945020

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 419, 620, 650, 775, 806, 838, 1300, 1550, 1612, 1676, 2015, 2095, 3100, 4030, 4190, 5447, 8060, 8380, 10075, 10475, 10894, 12989, 20150, 20950, 21788, 25978, 27235, 40300, 41900, 51956, 54470, 64945, 108940, 129890, 136175, 168857, 259780, 272350, 324725, 337714, 544700, 649450, 675428, 844285, 1298900, 1688570, 3377140, 4221425, 8442850, 16885700]

約数ペア:

[(1, 16885700), (2, 8442850), (4, 4221425), (5, 3377140), (10, 1688570), (13, 1298900), (20, 844285), (25, 675428), (26, 649450), (31, 544700), (50, 337714), (52, 324725), (62, 272350), (65, 259780), (100, 168857), (124, 136175), (130, 129890), (155, 108940), (260, 64945), (310, 54470), (325, 51956), (403, 41900), (419, 40300), (620, 27235), (650, 25978), (775, 21788), (806, 20950), (838, 20150), (1300, 12989), (1550, 10894), (1612, 10475), (1676, 10075), (2015, 8380), (2095, 8060), (3100, 5447), (4030, 4190)]