53155700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1377

約数の個数: 72

約数和(自身を含む): 128325120

約数和(自身を除く): 75169420

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, 620, 650, 775, 806, 1300, 1319, 1550, 1612, 2015, 2638, 3100, 4030, 5276, 6595, 8060, 10075, 13190, 17147, 20150, 26380, 32975, 34294, 40300, 40889, 65950, 68588, 81778, 85735, 131900, 163556, 171470, 204445, 342940, 408890, 428675, 531557, 817780, 857350, 1022225, 1063114, 1714700, 2044450, 2126228, 2657785, 4088900, 5315570, 10631140, 13288925, 26577850, 53155700]

約数ペア:

[(1, 53155700), (2, 26577850), (4, 13288925), (5, 10631140), (10, 5315570), (13, 4088900), (20, 2657785), (25, 2126228), (26, 2044450), (31, 1714700), (50, 1063114), (52, 1022225), (62, 857350), (65, 817780), (100, 531557), (124, 428675), (130, 408890), (155, 342940), (260, 204445), (310, 171470), (325, 163556), (403, 131900), (620, 85735), (650, 81778), (775, 68588), (806, 65950), (1300, 40889), (1319, 40300), (1550, 34294), (1612, 32975), (2015, 26380), (2638, 20150), (3100, 17147), (4030, 13190), (5276, 10075), (6595, 8060)]